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996
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1 /*
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2 * Copyright (c) 2004 by Tim Bray and Sun Microsystems. For copying
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3 * permission, see http://www.tbray.org/ongoing/genx/COPYING
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4 */
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5
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6 #include "../../src/global.h"
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7
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8 #define GENX_VERSION "beta5"
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9 #define GENX_INTERNAL
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10
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11 #include "genx.h"
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12
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13 #if !defined(CFUN_NO_FLOATS) && !defined(CFUN_NO_TURT)
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14
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15 #include <stdlib.h>
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16 #include <stdio.h>
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17 #include <string.h>
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18 #include <stdbool.h>
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19
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20 #define Boolean bool
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21 #define True 1
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22 #define False 0
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23 #define STRLEN_XMLNS_COLON 6
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24
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25 // typedef void * (* genxAlloc)(void * userData, size_t bytes);
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26 // typedef void (* genxDealloc)(void * userData, void * data);
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27
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28 /**
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29 * writer state
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30 */
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31 typedef enum {
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32 SEQUENCE_NO_DOC,
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33 SEQUENCE_PRE_DOC,
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34 SEQUENCE_POST_DOC,
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35 SEQUENCE_START_TAG,
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36 SEQUENCE_ATTRIBUTES,
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37 SEQUENCE_CONTENT
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38 } writerSequence;
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39
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40 /**
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41 * generic pointer list
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42 */
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43 typedef struct genx_plist {
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44 genxWriter writer;
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45 ssize_t count;
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46 size_t space;
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47 void * * pointers;
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48 } plist;
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49
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50 /**
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51 * text collector, for attribute values
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52 */
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53 typedef struct genx_collector {
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54 utf8 buf;
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55 size_t used;
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56 size_t space;
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57 } collector;
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58
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59 /*******************************
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60 * Structs with opaquely-exposed handles
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61 */
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62
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63 /**
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64 * This one's tricky, to handle stacking namespaces
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65 * 'declaration' is the current attribute which would be used to
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66 * declare the currently-effective prefix
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67 * 'defDeclaration' is a appropriate declaration when this is being
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68 * used with the default prefix as passed to genxDeclareNamespace
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69 * baroque is true if this namespace has been used with more than one
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70 * prefix, or is the default namespace but has been unset
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71 */
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72 struct genxNamespace_rec {
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73 genxWriter writer;
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74 utf8 name;
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75 genxAttribute declaration;
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76 genxAttribute defaultDecl;
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77 int declCount;
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78 Boolean baroque:1;
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79 };
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80
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81 struct genxElement_rec {
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82 genxWriter writer;
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83 utf8 type;
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84 genxNamespace ns;
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85 };
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86
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87 typedef enum {
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88 ATTR_NSDECL,
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89 ATTR_NAKED,
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90 ATTR_PREFIXED
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91 } attrType;
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92
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93 struct genxAttribute_rec {
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94 genxWriter writer;
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95 utf8 name;
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96 genxNamespace ns;
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97 collector value;
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98 int provided; /**< provided for current element? */
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99 attrType atype;
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100 };
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101
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102 /**
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103 * genx's sandbox
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104 */
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105 struct genxWriter_rec {
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106 FILE * file;
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107 genxSender * sender;
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108 genxStatus status;
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109 writerSequence sequence;
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110 char xmlChars[0x10000];
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111 void * userData;
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112 utf8 empty;
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113 int nextPrefix;
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114 Boolean defaultNsDeclared:1;
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115 genxAttribute xmlnsEquals;
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116 genxElement nowStarting;
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117 plist namespaces;
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118 plist elements;
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119 plist attributes;
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120 plist prefixes;
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121 plist stack;
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122 struct genxAttribute_rec arec;
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123 const char * etext[100];
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124 // genxAlloc alloc;
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125 // genxDealloc dealloc;
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126 };
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127
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128 /*******************************
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129 * Forward declarations
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130 */
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131 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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132 static genxAttribute declareAttribute(genxWriter w, genxNamespace ns,
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133 constUtf8 name, constUtf8 valuestr,
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134 genxStatus * statusP);
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135 FUNGE_ATTR_FAST
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136 static genxStatus addNamespace(genxNamespace ns, constUtf8 prefix);
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137 FUNGE_ATTR_FAST
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138 static genxStatus unsetDefaultNamespace(genxWriter w);
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139 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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140 static genxStatus addAttribute(genxAttribute a, constUtf8 valuestr);
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141
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142 /*******************************
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143 * End of declarations
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144 */
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145
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146 /*******************************
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147 * private memory utilities
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148 */
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149 #if 0
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150 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED FUNGE_ATTR_MALLOC
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151 static inline void * allocate(size_t bytes)
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152 {
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153 return (void *) malloc(bytes);
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154 }
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155
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156 FUNGE_ATTR_FAST
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157 static inline void deallocate(void * data)
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158 {
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159 free(data);
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160 }
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161 #endif
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162 #define allocate(___bytes) malloc(___bytes)
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163 #define deallocate(___ptr) free(___ptr)
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164
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165 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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166 static utf8 copy(constUtf8 restrict from)
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167 {
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168 utf8 restrict temp;
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169 size_t len = strlen((const char *) from);
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170
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171 if ((temp = (utf8) allocate(len + 1)) == NULL)
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172 return NULL;
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173 memcpy(temp, from, len);
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174 temp[len] = '\0';
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175 return temp;
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176 }
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177
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178 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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179 static genxStatus initCollector(collector * restrict c)
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180 {
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181 c->space = 100;
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182 if ((c->buf = (utf8) allocate(c->space)) == NULL)
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183 return GENX_ALLOC_FAILED;
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184 c->used = 0;
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185 return GENX_SUCCESS;
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186 }
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187
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188 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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189 static genxStatus growCollector(collector * c, size_t size)
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190 {
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191 utf8 newSpace;
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192
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193 c->space = size * 2;
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194 if ((newSpace = (utf8) allocate(c->space)) == NULL)
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195 return GENX_ALLOC_FAILED;
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196
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197 strncpy((char *) newSpace, (const char *) c->buf, c->used);
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198 newSpace[c->used] = 0;
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199 deallocate(c->buf);
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200 c->buf = newSpace;
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201 return GENX_SUCCESS;
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202 }
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203
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204 FUNGE_ATTR_FAST static inline void startCollect(collector * c)
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205 {
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206 c->used = 0;
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207 }
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208 FUNGE_ATTR_FAST static inline void endCollect(collector * c)
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209 {
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210 c->buf[c->used] = 0;
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211 }
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212
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213 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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214 static genxStatus collectString(genxWriter w, collector * restrict c, constUtf8 restrict string)
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215 {
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216 size_t sl = strlen((const char *) string);
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217
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218 if (sl >= c->space)
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219 if ((w->status = growCollector(c, sl)) != GENX_SUCCESS)
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220 return GENX_ALLOC_FAILED;
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221
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222 strcpy((char *) c->buf, (const char *) string);
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223 return GENX_SUCCESS;
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224 }
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225
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226 #define collectPiece(w,c,d,size) {if (((c)->used+(size))>=(c)->space){if (((w)->status=growCollector(c,(c)->used+(size)))!=GENX_SUCCESS) return (w)->status;}strncpy((char *)(c)->buf+(c)->used,d,size);(c)->used+=size;}
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227
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228 /*******************************
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229 * private list utilities
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230 */
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231 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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232 static genxStatus initPlist(genxWriter w, plist * restrict pl)
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233 {
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234 pl->writer = w;
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235 pl->count = 0;
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236 pl->space = 10;
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237 pl->pointers = (void * *) allocate(pl->space * sizeof(void *));
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238 if (pl->pointers == NULL)
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239 return GENX_ALLOC_FAILED;
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240
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241 return GENX_SUCCESS;
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242 }
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243
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244 /**
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245 * make room in a plist
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246 */
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247 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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248 static Boolean checkExpand(plist * restrict pl)
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249 {
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250 void ** restrict newlist;
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251
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252 if ((size_t)pl->count < pl->space)
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253 return True;
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254
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255 pl->space *= 2;
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256 newlist = (void **) allocate(pl->space * sizeof(void *));
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257 if (newlist == NULL)
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258 return False;
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259 // This is to allow vectorising.
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260 {
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261 const ssize_t count = pl->count;
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262 void ** restrict oldlist = pl->pointers;
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263 for (ssize_t i = 0; i < count; i++)
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264 newlist[i] = oldlist[i];
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265 }
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266 deallocate(pl->pointers);
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267 pl->pointers = newlist;
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268
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269 return True;
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270 }
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271
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272 /**
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273 * stick something on the end of a plist
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274 */
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275 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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276 static genxStatus listAppend(plist * pl, void * pointer)
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277 {
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278 if (!checkExpand(pl))
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279 return GENX_ALLOC_FAILED;
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280
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281 pl->pointers[pl->count++] = pointer;
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282 return GENX_SUCCESS;
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283 }
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284
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285 /**
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286 * insert in place, shuffling up
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287 */
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288 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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289 static genxStatus listInsert(plist * pl, void * pointer, ssize_t at)
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290 {
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291 ssize_t i;
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292
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293 if (!checkExpand(pl))
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294 return GENX_ALLOC_FAILED;
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295
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296 for (i = pl->count; i > at; i--)
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297 pl->pointers[i] = pl->pointers[i - 1];
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298 pl->count++;
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299
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300 pl->pointers[at] = pointer;
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301 return GENX_SUCCESS;
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302 }
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303
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304 /*******************************
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305 * list lookups
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306 */
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307
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308 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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309 static genxNamespace findNamespace(plist * pl, constUtf8 uri)
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310 {
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311 ssize_t i;
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312 genxNamespace * nn = (genxNamespace *) pl->pointers;
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313
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314 for (i = 0; i < pl->count; i++)
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315 if (strcmp((const char *) uri, (const char *) nn[i]->name) == 0)
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316 return nn[i];
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317
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318 return NULL;
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319 }
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320
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321 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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322 static genxElement findElement(plist * pl, constUtf8 xmlns, constUtf8 type)
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323 {
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324 ssize_t i;
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325 genxElement * ee = (genxElement *) pl->pointers;
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326
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327 for (i = 0; i < pl->count; i++) {
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328 if (xmlns == NULL) {
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329 if (ee[i]->ns == NULL && strcmp((const char *) type,
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330 (const char *) ee[i]->type) == 0)
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331 return ee[i];
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332 } else {
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333 if (ee[i]->ns != NULL &&
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334 strcmp((const char *) xmlns, (const char *) ee[i]->ns->name) == 0 &&
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335 strcmp((const char *) type, (const char *) ee[i]->type) == 0)
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336 return ee[i];
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337 }
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338 }
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339
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340 return NULL;
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341 }
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342
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343 /**
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344 * store & intern a prefix, after giving it the
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345 * "xmlns:" prefix. Don't allow storing the same one twice unless 'force'
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346 * is set.
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347 */
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348 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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349 static constUtf8 storePrefix(genxWriter w, constUtf8 prefix, Boolean force)
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350 {
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351 ssize_t high, low;
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352 utf8 * pp = (utf8 *) w->prefixes.pointers;
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353
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354 if (prefix[0] == 0)
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355 prefix = (constUtf8) "xmlns";
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356 else {
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357 unsigned char buf[1024];
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358 snprintf((char *) buf, sizeof(buf), "xmlns:%s", (const char*)prefix);
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359 prefix = buf;
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360 }
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361
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362 high = w->prefixes.count; low = -1;
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363 while (high - low > 1) {
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364 ssize_t probe = (high + low) / 2;
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365 if (strcmp((const char *) prefix, (const char *) pp[probe]) < 0)
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366 high = probe;
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367 else
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368 low = probe;
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369 }
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370
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371 /* already there? */
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372 if (low != -1 && strcmp((const char *) prefix, (const char *) pp[low]) == 0) {
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373 if (force)
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374 return pp[low];
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375
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376 w->status = GENX_DUPLICATE_PREFIX;
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377 return NULL;
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378 }
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379
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380 /* copy & insert */
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381 if ((prefix = copy(prefix)) == NULL) {
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382 w->status = GENX_ALLOC_FAILED;
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383 return NULL;
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384 }
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385
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386 w->status = listInsert(&w->prefixes, (void *) prefix, high);
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387 if (w->status != GENX_SUCCESS)
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388 return NULL;
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389
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390 return (constUtf8) prefix;
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391 }
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392
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393 /*******************************
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394 * UTF8 bit-banging
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395 */
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396
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397 /**
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398 * Retrieve the character pointed at, and advance the pointer; return -1 on
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399 * error
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400 */
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401 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
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402 int genxNextUnicodeChar(constUtf8 * sp)
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403 {
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404 constUtf8 s = (constUtf8) * sp;
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405 int c;
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406
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407 if (*s == 0)
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408 return -1;
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409
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410 if (*s < 0x80)
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411 c = *s++;
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412
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413 /* all this encoding sanity-checking taken from section 3.10 of Unicode 4 */
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414 else if (*s < 0xc2)
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415 goto malformed;
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416
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417 /* 2-byte encodings, first byte c2 .. df */
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418 else if (*s < 0xe0) {
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419 c = (*s++ & 0x1f) << 6;
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420
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421 /*
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422 * for this common idiom, if ((c & 0xc0) != 0x80) is slightly faster
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423 * on MacOS (PPC)
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424 */
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425 if (*s < 0x80 || *s > 0xbf)
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426 goto malformed;
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427
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428 c |= *s++ & 0x3f;
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429 }
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430
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431 /* 3-byte encodings, first byte e0 .. ef */
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432 else if (*s < 0xf0) {
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433 int b0 = *s;
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434 c = (*s++ & 0x0f) << 12;
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435
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436 if ((b0 == 0xe0 && (*s < 0xa0 || *s > 0xbf)) ||
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|
|
437 (b0 < 0xed && (*s < 0x80 || *s > 0xbf)) ||
|
|
|
438 (b0 == 0xed && (*s < 0x80 || *s > 0x9f)) ||
|
|
|
439 (b0 > 0xed && (*s < 0x80 || *s > 0xbf)))
|
|
|
440 goto malformed;
|
|
|
441
|
|
|
442 c |= (*s++ & 0x3f) << 6;
|
|
|
443
|
|
|
444 if (*s < 0x80 || *s > 0xbf)
|
|
|
445 goto malformed;
|
|
|
446
|
|
|
447 c |= *s++ & 0x3f;
|
|
|
448 }
|
|
|
449
|
|
|
450 /* 4-byte encodings, first byte f0 .. f4 */
|
|
|
451 else if (*s < 0xf5) {
|
|
|
452 int b0 = *s;
|
|
|
453 c = (*s++ & 0x07) << 18;
|
|
|
454
|
|
|
455 if ((b0 == 0xf0 && (*s < 0x90 || *s > 0xbf)) ||
|
|
|
456 (b0 < 0xf4 && (*s < 0x80 || *s > 0xbf)) ||
|
|
|
457 (b0 >= 0xf4 && (*s < 0x80 || *s > 0x8f)))
|
|
|
458 goto malformed;
|
|
|
459
|
|
|
460 c |= (*s++ & 0x3f) << 12;
|
|
|
461
|
|
|
462 if (*s < 0x80 || *s > 0xbf)
|
|
|
463 goto malformed;
|
|
|
464
|
|
|
465 c |= (*s++ & 0x3f) << 6;
|
|
|
466
|
|
|
467 if (*s < 0x80 || *s > 0xbf)
|
|
|
468 goto malformed;
|
|
|
469
|
|
|
470 c |= *s++ & 0x3f;
|
|
|
471 } else
|
|
|
472 goto malformed;
|
|
|
473
|
|
|
474 *sp = s;
|
|
|
475 return c;
|
|
|
476
|
|
|
477 /*
|
|
|
478 * this is needed by scrubText, which wants to get the pointer moved
|
|
|
479 * past the problem area.
|
|
|
480 */
|
|
|
481 malformed:
|
|
|
482 if (*s)
|
|
|
483 ++s;
|
|
|
484 *sp = s;
|
|
|
485 return -1;
|
|
|
486 }
|
|
|
487
|
|
|
488 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
489 static inline Boolean isXMLChar(const genxWriter restrict w, int c)
|
|
|
490 {
|
|
|
491 if (c < 0)
|
|
|
492 return False;
|
|
|
493 else if (c < 0x10000)
|
|
|
494 return (int) w->xmlChars[c];
|
|
|
495 else
|
|
|
496 return (c <= 0x10ffff);
|
|
|
497 }
|
|
|
498
|
|
|
499 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
500 static inline Boolean isLetter(const genxWriter restrict w, int c)
|
|
|
501 {
|
|
|
502 if (c < 0 || c > 0xffff)
|
|
|
503 return False;
|
|
|
504 else
|
|
|
505 return w->xmlChars[c] & GENX_LETTER;
|
|
|
506 }
|
|
|
507
|
|
|
508 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
509 static inline Boolean isNameChar(const genxWriter restrict w, int c)
|
|
|
510 {
|
|
|
511 if (c < 0 || c > 0xffff)
|
|
|
512 return False;
|
|
|
513 else
|
|
|
514 return w->xmlChars[c] & GENX_NAMECHAR;
|
|
|
515 }
|
|
|
516
|
|
|
517 /*******************************
|
|
|
518 * Constructors, setters/getters
|
|
|
519 */
|
|
|
520
|
|
|
521 /**
|
|
|
522 * Construct a new genxWriter
|
|
|
523 */
|
|
|
524 FUNGE_ATTR_FAST
|
|
|
525 genxWriter genxNew(void)
|
|
|
526 {
|
|
|
527 genxWriter w;
|
|
|
528 genxNamespace xml;
|
|
|
529
|
|
|
530 //if (alloc)
|
|
|
531 // w = (genxWriter)(*alloc)(userData, sizeof(struct genxWriter_rec));
|
|
|
532 //else
|
|
|
533 w = (genxWriter) malloc(sizeof(struct genxWriter_rec));
|
|
|
534
|
|
|
535 if (w == NULL)
|
|
|
536 return NULL;
|
|
|
537
|
|
|
538 w->status = GENX_SUCCESS;
|
|
|
539 // w->alloc = NULL;
|
|
|
540 // w->dealloc = NULL;
|
|
|
541 w->userData = NULL;
|
|
|
542 w->sequence = SEQUENCE_NO_DOC;
|
|
|
543
|
|
|
544 if (initPlist(w, &w->namespaces) != GENX_SUCCESS ||
|
|
|
545 initPlist(w, &w->elements) != GENX_SUCCESS ||
|
|
|
546 initPlist(w, &w->attributes) != GENX_SUCCESS ||
|
|
|
547 initPlist(w, &w->prefixes) != GENX_SUCCESS ||
|
|
|
548 initPlist(w, &w->stack) != GENX_SUCCESS)
|
|
|
549 return NULL;
|
|
|
550
|
|
|
551 if ((w->status = initCollector(&w->arec.value)) != GENX_SUCCESS)
|
|
|
552 return NULL;
|
|
|
553
|
|
|
554 if ((w->empty = copy((constUtf8) "")) == NULL) {
|
|
|
555 w->status = GENX_ALLOC_FAILED;
|
|
|
556 return NULL;
|
|
|
557 }
|
|
|
558
|
|
|
559 w->xmlnsEquals = declareAttribute(w, NULL, (constUtf8) "xmlns", NULL, &w->status);
|
|
|
560 if (w->xmlnsEquals == NULL || w->status != GENX_SUCCESS)
|
|
|
561 return NULL;
|
|
|
562 w->defaultNsDeclared = False;
|
|
|
563
|
|
|
564 w->nextPrefix = 1;
|
|
|
565
|
|
|
566 genxSetCharProps(w->xmlChars);
|
|
|
567
|
|
|
568 w->etext[GENX_SUCCESS] = "Success";
|
|
|
569 w->etext[GENX_BAD_UTF8] = "Bad UTF8";
|
|
|
570 w->etext[GENX_NON_XML_CHARACTER] = "Non XML Character";
|
|
|
571 w->etext[GENX_BAD_NAME] = "Bad NAME";
|
|
|
572 w->etext[GENX_ALLOC_FAILED] = "Memory allocation failed";
|
|
|
573 w->etext[GENX_BAD_NAMESPACE_NAME] = "Bad namespace name";
|
|
|
574 w->etext[GENX_INTERNAL_ERROR] = "Internal error";
|
|
|
575 w->etext[GENX_DUPLICATE_PREFIX] = "Duplicate prefix";
|
|
|
576 w->etext[GENX_SEQUENCE_ERROR] = "Call out of sequence";
|
|
|
577 w->etext[GENX_NO_START_TAG] = "No Start-tag for EndElement call";
|
|
|
578 w->etext[GENX_IO_ERROR] = "I/O error";
|
|
|
579 w->etext[GENX_MISSING_VALUE] = "Missing attribute value";
|
|
|
580 w->etext[GENX_MALFORMED_COMMENT] = "Malformed comment body";
|
|
|
581 w->etext[GENX_MALFORMED_PI] = "?> in PI";
|
|
|
582 w->etext[GENX_XML_PI_TARGET] = "Target of PI matches [xX][mM][lL]";
|
|
|
583 w->etext[GENX_DUPLICATE_ATTRIBUTE] =
|
|
|
584 "Same attribute specified more than once";
|
|
|
585 w->etext[GENX_ATTRIBUTE_IN_DEFAULT_NAMESPACE] =
|
|
|
586 "Attribute cannot be in default namespace";
|
|
|
587 w->etext[GENX_DUPLICATE_NAMESPACE] =
|
|
|
588 "Declared namespace twice with different prefixes on one element.";
|
|
|
589 w->etext[GENX_BAD_DEFAULT_DECLARATION] =
|
|
|
590 "Declared a default namespace on an element which is in no namespace";
|
|
|
591
|
|
|
592 /* the xml: namespace is pre-wired */
|
|
|
593 xml = genxDeclareNamespace(w, (constUtf8) "http://www.w3.org/XML/1998/namespace",
|
|
|
594 (constUtf8) "xml", &w->status);
|
|
|
595 if (xml == NULL)
|
|
|
596 return NULL;
|
|
|
597 xml->declCount = 1;
|
|
|
598 xml->declaration = xml->defaultDecl;
|
|
|
599
|
|
|
600 return w;
|
|
|
601 }
|
|
|
602
|
|
|
603 /*
|
|
|
604 * get/set userData
|
|
|
605 */
|
|
|
606 // FUNGE_ATTR_FAST void genxSetUserData(genxWriter w, void * userData)
|
|
|
607 // {
|
|
|
608 // w->userData = userData;
|
|
|
609 // }
|
|
|
610 // FUNGE_ATTR_FAST void * genxGetUserData(genxWriter w)
|
|
|
611 // {
|
|
|
612 // return w->userData;
|
|
|
613 // }
|
|
|
614
|
|
|
615 /*
|
|
|
616 * get/set allocator
|
|
|
617 */
|
|
|
618 // FUNGE_ATTR_FAST void genxSetAlloc(genxWriter w, genxAlloc alloc)
|
|
|
619 // {
|
|
|
620 // w->alloc = alloc;
|
|
|
621 // }
|
|
|
622 // FUNGE_ATTR_FAST
|
|
|
623 // void genxSetDealloc(genxWriter w, genxDealloc dealloc)
|
|
|
624 // {
|
|
|
625 // w->dealloc = dealloc;
|
|
|
626 // }
|
|
|
627 // FUNGE_ATTR_FAST
|
|
|
628 // genxAlloc genxGetAlloc(genxWriter w)
|
|
|
629 // {
|
|
|
630 // return w->alloc;
|
|
|
631 // }
|
|
|
632 // FUNGE_ATTR_FAST
|
|
|
633 // genxDealloc genxGetDealloc(genxWriter w)
|
|
|
634 // {
|
|
|
635 // return w->dealloc;
|
|
|
636 // }
|
|
|
637
|
|
|
638 /*
|
|
|
639 * Clean up
|
|
|
640 */
|
|
|
641 FUNGE_ATTR_FAST void genxDispose(genxWriter w)
|
|
|
642 {
|
|
|
643 ssize_t i;
|
|
|
644 genxNamespace * nn = (genxNamespace *) w->namespaces.pointers;
|
|
|
645 genxElement * ee = (genxElement *) w->elements.pointers;
|
|
|
646 genxAttribute * aa = (genxAttribute *) w->attributes.pointers;
|
|
|
647 utf8 * pp = (utf8 *) w->prefixes.pointers;
|
|
|
648
|
|
|
649 for (i = 0; i < w->namespaces.count; i++) {
|
|
|
650 deallocate(nn[i]->name);
|
|
|
651 deallocate(nn[i]);
|
|
|
652 }
|
|
|
653
|
|
|
654 for (i = 0; i < w->elements.count; i++) {
|
|
|
655 deallocate(ee[i]->type);
|
|
|
656 deallocate(ee[i]);
|
|
|
657 }
|
|
|
658
|
|
|
659 for (i = 0; i < w->attributes.count; i++) {
|
|
|
660 deallocate(aa[i]->name);
|
|
|
661 deallocate(aa[i]->value.buf);
|
|
|
662 deallocate(aa[i]);
|
|
|
663 }
|
|
|
664
|
|
|
665 for (i = 0; i < w->prefixes.count; i++)
|
|
|
666 deallocate(pp[i]);
|
|
|
667
|
|
|
668 deallocate(w->namespaces.pointers);
|
|
|
669 deallocate(w->elements.pointers);
|
|
|
670 deallocate(w->attributes.pointers);
|
|
|
671 deallocate(w->prefixes.pointers);
|
|
|
672 deallocate(w->stack.pointers);
|
|
|
673
|
|
|
674 deallocate(w->arec.value.buf);
|
|
|
675
|
|
|
676 deallocate(w->empty);
|
|
|
677
|
|
|
678 /* how Oscar dealt with Igli */
|
|
|
679 deallocate(w);
|
|
|
680 }
|
|
|
681
|
|
|
682 /*******************************
|
|
|
683 * External utility routines
|
|
|
684 */
|
|
|
685
|
|
|
686 /*
|
|
|
687 * scan a buffer and report problems with UTF-8 encoding or non-XML characters
|
|
|
688 */
|
|
|
689 FUNGE_ATTR_FAST genxStatus genxCheckText(const genxWriter restrict w, constUtf8 s)
|
|
|
690 {
|
|
|
691 while (*s) {
|
|
|
692 int c = genxNextUnicodeChar(&s);
|
|
|
693 if (c == -1)
|
|
|
694 return GENX_BAD_UTF8;
|
|
|
695
|
|
|
696 if (!isXMLChar(w, c))
|
|
|
697 return GENX_NON_XML_CHARACTER;
|
|
|
698 }
|
|
|
699 return GENX_SUCCESS;
|
|
|
700 }
|
|
|
701
|
|
|
702 /*
|
|
|
703 * Purify some text
|
|
|
704 */
|
|
|
705 FUNGE_ATTR_FAST int genxScrubText(const genxWriter restrict w, constUtf8 in, utf8 restrict out)
|
|
|
706 {
|
|
|
707 int problems = 0;
|
|
|
708 constUtf8 last = in;
|
|
|
709
|
|
|
710 while (*in) {
|
|
|
711 int c = genxNextUnicodeChar(&in);
|
|
|
712 if (c == -1) {
|
|
|
713 problems++;
|
|
|
714 last = in;
|
|
|
715 continue;
|
|
|
716 }
|
|
|
717
|
|
|
718 if (!isXMLChar(w, c)) {
|
|
|
719 problems++;
|
|
|
720 last = in;
|
|
|
721 continue;
|
|
|
722 }
|
|
|
723
|
|
|
724 while (last < in)
|
|
|
725 *out++ = *last++;
|
|
|
726 }
|
|
|
727 *out = 0;
|
|
|
728 return problems;
|
|
|
729 }
|
|
|
730
|
|
|
731 /*
|
|
|
732 * check one character
|
|
|
733 */
|
|
|
734 FUNGE_ATTR_FAST int genxCharClass(const genxWriter restrict w, int c)
|
|
|
735 {
|
|
|
736 int ret = 0;
|
|
|
737
|
|
|
738 if (isXMLChar(w, c))
|
|
|
739 ret |= GENX_XML_CHAR;
|
|
|
740 if (isNameChar(w, c))
|
|
|
741 ret |= GENX_NAMECHAR;
|
|
|
742 if (isLetter(w, c))
|
|
|
743 ret |= GENX_LETTER;
|
|
|
744 return ret;
|
|
|
745 }
|
|
|
746
|
|
|
747 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
748 static genxStatus checkNCName(genxWriter w, constUtf8 name)
|
|
|
749 {
|
|
|
750 int c;
|
|
|
751
|
|
|
752 if (name == NULL || *name == 0)
|
|
|
753 return GENX_BAD_NAME;
|
|
|
754
|
|
|
755 c = genxNextUnicodeChar(&name);
|
|
|
756 if (!isLetter(w, c) && c != ':' && c != '_')
|
|
|
757 return GENX_BAD_NAME;
|
|
|
758
|
|
|
759 while (*name) {
|
|
|
760 c = genxNextUnicodeChar(&name);
|
|
|
761 if (c == -1)
|
|
|
762 return GENX_BAD_UTF8;
|
|
|
763 if (!isNameChar(w, c))
|
|
|
764 return GENX_BAD_NAME;
|
|
|
765 }
|
|
|
766 return GENX_SUCCESS;
|
|
|
767 }
|
|
|
768
|
|
|
769 FUNGE_ATTR_FAST const char * genxGetErrorMessage(const genxWriter restrict w, genxStatus status)
|
|
|
770 {
|
|
|
771 return w->etext[status];
|
|
|
772 }
|
|
|
773 FUNGE_ATTR_FAST const char * genxLastErrorMessage(const genxWriter restrict w)
|
|
|
774 {
|
|
|
775 return w->etext[w->status];
|
|
|
776 }
|
|
|
777
|
|
|
778 /*******************************
|
|
|
779 * Declarations: namespace/element/attribute
|
|
|
780 */
|
|
|
781
|
|
|
782 /*
|
|
|
783 * DeclareNamespace - by far the most complex routine in Genx
|
|
|
784 */
|
|
|
785 FUNGE_ATTR_FAST
|
|
|
786 genxNamespace genxDeclareNamespace(genxWriter w, constUtf8 uri,
|
|
|
787 constUtf8 defaultPref,
|
|
|
788 genxStatus * statusP)
|
|
|
789 {
|
|
|
790 genxNamespace ns;
|
|
|
791 genxAttribute defaultDecl;
|
|
|
792 unsigned char newPrefix[100];
|
|
|
793
|
|
|
794 if (uri == NULL || uri[0] == 0) {
|
|
|
795 w->status = GENX_BAD_NAMESPACE_NAME;
|
|
|
796 goto busted;
|
|
|
797 }
|
|
|
798
|
|
|
799 if ((w->status = genxCheckText(w, uri)) != GENX_SUCCESS)
|
|
|
800 goto busted;
|
|
|
801
|
|
|
802 /* if a prefix is provided, it has to be an NCname */
|
|
|
803 if (defaultPref != NULL && defaultPref[0] != 0 &&
|
|
|
804 (w->status = checkNCName(w, defaultPref)) != GENX_SUCCESS)
|
|
|
805 goto busted;
|
|
|
806
|
|
|
807 /* previously declared? */
|
|
|
808 if ((ns = findNamespace(&w->namespaces, uri))) {
|
|
|
809 /* just a lookup, really */
|
|
|
810 if ((defaultPref == NULL) ||
|
|
|
811 (defaultPref[0] == 0 && ns->defaultDecl == w->xmlnsEquals) ||
|
|
|
812 (strcmp((const char *) ns->defaultDecl->name + STRLEN_XMLNS_COLON,
|
|
|
813 (const char *) defaultPref) == 0)) {
|
|
|
814 w->status = *statusP = GENX_SUCCESS;
|
|
|
815 return ns;
|
|
|
816 }
|
|
|
817 }
|
|
|
818
|
|
|
819 /* wasn't already declared */
|
|
|
820 else {
|
|
|
821
|
|
|
822 /* make a default prefix if none provided */
|
|
|
823 if (defaultPref == NULL) {
|
|
|
824 snprintf((char *) newPrefix, sizeof(newPrefix), "g%d", w->nextPrefix++);
|
|
|
825 defaultPref = newPrefix;
|
|
|
826 }
|
|
|
827
|
|
|
828 ns = (genxNamespace) allocate(sizeof(struct genxNamespace_rec));
|
|
|
829 if (ns == NULL) {
|
|
|
830 w->status = GENX_ALLOC_FAILED;
|
|
|
831 goto busted;
|
|
|
832 }
|
|
|
833 ns->writer = w;
|
|
|
834 ns->baroque = False;
|
|
|
835
|
|
|
836 if ((ns->name = copy(uri)) == NULL) {
|
|
|
837 w->status = GENX_ALLOC_FAILED;
|
|
|
838 goto busted;
|
|
|
839 }
|
|
|
840
|
|
|
841 if ((w->status = listAppend(&w->namespaces, ns)) != GENX_SUCCESS)
|
|
|
842 goto busted;
|
|
|
843 ns->defaultDecl = ns->declaration = NULL;
|
|
|
844 ns->declCount = 0;
|
|
|
845 }
|
|
|
846
|
|
|
847 if (defaultPref[0] == 0) {
|
|
|
848 if (w->defaultNsDeclared) {
|
|
|
849 w->status = GENX_DUPLICATE_PREFIX;
|
|
|
850 goto busted;
|
|
|
851 }
|
|
|
852 defaultDecl = w->xmlnsEquals;
|
|
|
853 w->defaultNsDeclared = True;
|
|
|
854 } else {
|
|
|
855 /* this catches dupes too */
|
|
|
856 if ((defaultPref = storePrefix(w, defaultPref, False)) == NULL)
|
|
|
857 goto busted;
|
|
|
858
|
|
|
859 defaultDecl = declareAttribute(w, NULL, defaultPref, ns->name, statusP);
|
|
|
860 if (defaultDecl == NULL || *statusP != GENX_SUCCESS) {
|
|
|
861 w->status = *statusP;
|
|
|
862 return NULL;
|
|
|
863 }
|
|
|
864 }
|
|
|
865
|
|
|
866 if (ns->defaultDecl != NULL && defaultDecl != ns->defaultDecl)
|
|
|
867 ns->baroque = True;
|
|
|
868 ns->defaultDecl = defaultDecl;
|
|
|
869
|
|
|
870 *statusP = GENX_SUCCESS;
|
|
|
871 return ns;
|
|
|
872
|
|
|
873 busted:
|
|
|
874 *statusP = w->status;
|
|
|
875 return NULL;
|
|
|
876 }
|
|
|
877
|
|
|
878 /**
|
|
|
879 * get namespace prefix
|
|
|
880 */
|
|
|
881 FUNGE_ATTR_FAST utf8 genxGetNamespacePrefix(genxNamespace ns)
|
|
|
882 {
|
|
|
883 if (ns->declaration == NULL)
|
|
|
884 return NULL;
|
|
|
885
|
|
|
886 if (ns->declaration == ns->writer->xmlnsEquals)
|
|
|
887 return ns->writer->empty;
|
|
|
888
|
|
|
889 return ns->declaration->name + STRLEN_XMLNS_COLON;
|
|
|
890 }
|
|
|
891
|
|
|
892 /**
|
|
|
893 * DeclareElement - see genx.h for details
|
|
|
894 */
|
|
|
895 FUNGE_ATTR_FAST
|
|
|
896 genxElement genxDeclareElement(genxWriter w,
|
|
|
897 genxNamespace ns, constUtf8 type,
|
|
|
898 genxStatus * statusP)
|
|
|
899 {
|
|
|
900 genxElement old;
|
|
|
901 genxElement el;
|
|
|
902
|
|
|
903 if ((w->status = checkNCName(w, type)) != GENX_SUCCESS) {
|
|
|
904 *statusP = w->status;
|
|
|
905 return NULL;
|
|
|
906 }
|
|
|
907
|
|
|
908 /* already declared? */
|
|
|
909 old = findElement(&w->elements, (ns == NULL) ? NULL : ns->name, type);
|
|
|
910 if (old)
|
|
|
911 return old;
|
|
|
912
|
|
|
913 if ((el = (genxElement) allocate(sizeof(struct genxElement_rec))) == NULL) {
|
|
|
914 w->status = *statusP = GENX_ALLOC_FAILED;
|
|
|
915 return NULL;
|
|
|
916 }
|
|
|
917
|
|
|
918 el->writer = w;
|
|
|
919 el->ns = ns;
|
|
|
920 if ((el->type = copy(type)) == NULL) {
|
|
|
921 w->status = *statusP = GENX_ALLOC_FAILED;
|
|
|
922 return NULL;
|
|
|
923 }
|
|
|
924
|
|
|
925 if ((w->status = listAppend(&w->elements, el)) != GENX_SUCCESS) {
|
|
|
926 *statusP = w->status;
|
|
|
927 return NULL;
|
|
|
928 }
|
|
|
929
|
|
|
930 *statusP = GENX_SUCCESS;
|
|
|
931 return el;
|
|
|
932 }
|
|
|
933
|
|
|
934 /**
|
|
|
935 * C14n ordering for attributes:
|
|
|
936 * - first, namespace declarations by the prefix being declared
|
|
|
937 * - second, unprefixed attributes by attr name
|
|
|
938 * - third, prefixed attrs by ns uri then local part
|
|
|
939 */
|
|
|
940 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
941 static int orderAttributes(genxAttribute a1, genxAttribute a2)
|
|
|
942 {
|
|
|
943 if (a1->atype == a2->atype) {
|
|
|
944 if (a1->atype == ATTR_PREFIXED && a1->ns != a2->ns)
|
|
|
945 return strcmp((const char *) a1->ns->name, (const char *) a2->ns->name);
|
|
|
946 else
|
|
|
947 return strcmp((const char *) a1->name, (const char *) a2->name);
|
|
|
948 }
|
|
|
949
|
|
|
950 else if (a1->atype == ATTR_NSDECL)
|
|
|
951 return -1;
|
|
|
952
|
|
|
953 else if (a1->atype == ATTR_NAKED) {
|
|
|
954 if (a2->atype == ATTR_NSDECL)
|
|
|
955 return 1;
|
|
|
956 else
|
|
|
957 return -1;
|
|
|
958 }
|
|
|
959
|
|
|
960 else
|
|
|
961 return 1;
|
|
|
962 }
|
|
|
963
|
|
|
964 /*
|
|
|
965 * internal declare-attribute. This one allows colonized values for
|
|
|
966 * names, so that you can declare xmlns:-type attributes
|
|
|
967 */
|
|
|
968 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
969 static genxAttribute declareAttribute(genxWriter w, genxNamespace ns,
|
|
|
970 constUtf8 name, constUtf8 valuestr,
|
|
|
971 genxStatus * statusP)
|
|
|
972 {
|
|
|
973 ssize_t high, low;
|
|
|
974 genxAttribute * aa = (genxAttribute *) w->attributes.pointers;
|
|
|
975 genxAttribute a;
|
|
|
976
|
|
|
977 w->arec.ns = ns;
|
|
|
978 w->arec.name = (utf8) name;
|
|
|
979
|
|
|
980 if (ns)
|
|
|
981 w->arec.atype = ATTR_PREFIXED;
|
|
|
982 else if (strncmp((const char *) name, "xmlns", STRLEN_XMLNS_COLON - 1) == 0)
|
|
|
983 w->arec.atype = ATTR_NSDECL;
|
|
|
984 else
|
|
|
985 w->arec.atype = ATTR_NAKED;
|
|
|
986
|
|
|
987 if (ns && (ns->defaultDecl == w->xmlnsEquals)) {
|
|
|
988 w->status = GENX_ATTRIBUTE_IN_DEFAULT_NAMESPACE;
|
|
|
989 goto busted;
|
|
|
990 }
|
|
|
991
|
|
|
992 /* attribute list has to be kept sorted per c14n rules */
|
|
|
993 high = w->attributes.count; low = -1;
|
|
|
994 while (high - low > 1) {
|
|
|
995 ssize_t probe = (high + low) / 2;
|
|
|
996 if (orderAttributes(&w->arec, aa[probe]) < 0)
|
|
|
997 high = probe;
|
|
|
998 else
|
|
|
999 low = probe;
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 /* if it was already there */
|
|
|
1003 if (low != -1 && orderAttributes(&w->arec, aa[low]) == 0)
|
|
|
1004 return aa[low];
|
|
|
1005
|
|
|
1006 /* not there, build it */
|
|
|
1007 a = (genxAttribute) allocate(sizeof(struct genxAttribute_rec));
|
|
|
1008 if (a == NULL) {
|
|
|
1009 w->status = GENX_ALLOC_FAILED;
|
|
|
1010 goto busted;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 a->writer = w;
|
|
|
1014 a->ns = ns;
|
|
|
1015 a->provided = False;
|
|
|
1016 a->atype = w->arec.atype;
|
|
|
1017
|
|
|
1018 if ((a->name = copy(name)) == NULL) {
|
|
|
1019 w->status = GENX_ALLOC_FAILED;
|
|
|
1020 goto busted;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 if ((w->status = initCollector(&a->value)) != GENX_SUCCESS)
|
|
|
1024 goto busted;
|
|
|
1025
|
|
|
1026 if (valuestr)
|
|
|
1027 if ((w->status = collectString(w, &a->value, valuestr)) != GENX_SUCCESS)
|
|
|
1028 goto busted;
|
|
|
1029
|
|
|
1030 w->status = listInsert(&w->attributes, a, high);
|
|
|
1031 if (w->status != GENX_SUCCESS)
|
|
|
1032 goto busted;
|
|
|
1033
|
|
|
1034 *statusP = GENX_SUCCESS;
|
|
|
1035 return a;
|
|
|
1036
|
|
|
1037 busted:
|
|
|
1038 *statusP = w->status;
|
|
|
1039 return NULL;
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 /*
|
|
|
1043 * genxDeclareAttribute - see genx.h for details
|
|
|
1044 */
|
|
|
1045 FUNGE_ATTR_FAST
|
|
|
1046 genxAttribute genxDeclareAttribute(genxWriter w,
|
|
|
1047 genxNamespace ns, constUtf8 name,
|
|
|
1048 genxStatus * statusP)
|
|
|
1049 {
|
|
|
1050 if ((w->status = checkNCName(w, name)) != GENX_SUCCESS) {
|
|
|
1051 *statusP = w->status;
|
|
|
1052 return NULL;
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 return declareAttribute(w, ns, name, NULL, statusP);
|
|
|
1056 }
|
|
|
1057
|
|
|
1058 /*******************************
|
|
|
1059 * I/O
|
|
|
1060 */
|
|
|
1061 FUNGE_ATTR_FAST
|
|
|
1062 static genxStatus sendx(genxWriter w, constUtf8 s)
|
|
|
1063 {
|
|
|
1064 if (w->sender)
|
|
|
1065 return (*w->sender->send)(w->userData, s);
|
|
|
1066 else {
|
|
|
1067 if (fputs((const char *) s, w->file) == -1)
|
|
|
1068 return GENX_IO_ERROR;
|
|
|
1069 else
|
|
|
1070 return GENX_SUCCESS;
|
|
|
1071 }
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
1075 static genxStatus sendxBounded(genxWriter w, constUtf8 start, constUtf8 end)
|
|
|
1076 {
|
|
|
1077 if (w->sender)
|
|
|
1078 return (*w->sender->sendBounded)(w->userData, start, end);
|
|
|
1079 else
|
|
|
1080 if (fwrite(start, 1, end - start, w->file) != (size_t)(end - start))
|
|
|
1081 return GENX_IO_ERROR;
|
|
|
1082 else
|
|
|
1083 return GENX_SUCCESS;
|
|
|
1084 }
|
|
|
1085
|
|
|
1086 #define SendCheck(w,s) if ((w->status=sendx(w,(constUtf8)s))!=GENX_SUCCESS) return w->status;
|
|
|
1087
|
|
|
1088 /*******************************
|
|
|
1089 * XML writing routines. The semantics of the externally-facing ones are
|
|
|
1090 * written up in genx.h. Commentary here is implementation notes and
|
|
|
1091 * for internal routines.
|
|
|
1092 */
|
|
|
1093
|
|
|
1094 /**
|
|
|
1095 * Start a document
|
|
|
1096 */
|
|
|
1097 FUNGE_ATTR_FAST genxStatus genxStartDocFile(genxWriter w, FILE * file)
|
|
|
1098 {
|
|
|
1099 if (w->sequence != SEQUENCE_NO_DOC)
|
|
|
1100 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1101
|
|
|
1102 w->sequence = SEQUENCE_PRE_DOC;
|
|
|
1103 w->file = file;
|
|
|
1104 w->sender = NULL;
|
|
|
1105 return GENX_SUCCESS;
|
|
|
1106 }
|
|
|
1107
|
|
|
1108 FUNGE_ATTR_FAST genxStatus genxStartDocSender(genxWriter w, genxSender * sender)
|
|
|
1109 {
|
|
|
1110 if (w->sequence != SEQUENCE_NO_DOC)
|
|
|
1111 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1112
|
|
|
1113 w->sequence = SEQUENCE_PRE_DOC;
|
|
|
1114 w->file = NULL;
|
|
|
1115 w->sender = sender;
|
|
|
1116 return GENX_SUCCESS;
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 /**
|
|
|
1120 * Write out the attributes we've been gathering up for an element. We save
|
|
|
1121 * them until we've gathered them all so they can be writen in canonical
|
|
|
1122 * order.
|
|
|
1123 * Also, we end the start-tag.
|
|
|
1124 * The trick here is that we keep the attribute list properly sorted as
|
|
|
1125 * we build it, then as each attribute is added, we fill in its value and
|
|
|
1126 * mark the fact that it's been added, in the "provided" field.
|
|
|
1127 */
|
|
|
1128 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
1129 static genxStatus writeStartTag(genxWriter w)
|
|
|
1130 {
|
|
|
1131 ssize_t i;
|
|
|
1132 genxAttribute * aa = (genxAttribute *) w->attributes.pointers;
|
|
|
1133 genxElement e = w->nowStarting;
|
|
|
1134
|
|
|
1135 /*
|
|
|
1136 * make sure the right namespace decls are in effect;
|
|
|
1137 * if they are these might create an error, so ignore it
|
|
|
1138 */
|
|
|
1139 if (e->ns)
|
|
|
1140 addNamespace(e->ns, NULL);
|
|
|
1141 else
|
|
|
1142 unsetDefaultNamespace(w);
|
|
|
1143 w->status = GENX_SUCCESS;
|
|
|
1144
|
|
|
1145 SendCheck(w, "<");
|
|
|
1146 if (e->ns && (e->ns->declaration != w->xmlnsEquals)) {
|
|
|
1147 SendCheck(w, e->ns->declaration->name + STRLEN_XMLNS_COLON);
|
|
|
1148 SendCheck(w, ":");
|
|
|
1149 }
|
|
|
1150 SendCheck(w, e->type);
|
|
|
1151
|
|
|
1152 for (i = 0; i < w->attributes.count; i++) {
|
|
|
1153 if (aa[i]->provided) {
|
|
|
1154 if (aa[i]->ns && aa[i]->ns->baroque &&
|
|
|
1155 aa[i]->ns->declaration == w->xmlnsEquals)
|
|
|
1156 return w->status = GENX_ATTRIBUTE_IN_DEFAULT_NAMESPACE;
|
|
|
1157
|
|
|
1158 SendCheck(w, " ");
|
|
|
1159
|
|
|
1160 if (aa[i]->ns) {
|
|
|
1161 SendCheck(w, aa[i]->ns->declaration->name + STRLEN_XMLNS_COLON)
|
|
|
1162 SendCheck(w, ":");
|
|
|
1163 }
|
|
|
1164 SendCheck(w, aa[i]->name);
|
|
|
1165 SendCheck(w, "=\"");
|
|
|
1166 SendCheck(w, aa[i]->value.buf);
|
|
|
1167 SendCheck(w, "\"");
|
|
|
1168 }
|
|
|
1169 }
|
|
|
1170 SendCheck(w, ">");
|
|
|
1171 return GENX_SUCCESS;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 /*
|
|
|
1175 * internal clear-er; no sequence checking
|
|
|
1176 */
|
|
|
1177 FUNGE_ATTR_FAST
|
|
|
1178 static genxStatus unsetDefaultNamespace(genxWriter w)
|
|
|
1179 {
|
|
|
1180 ssize_t i;
|
|
|
1181 Boolean found = False;
|
|
|
1182
|
|
|
1183 /* don't put it in if not needed */
|
|
|
1184 i = w->stack.count - 1;
|
|
|
1185 while (found == False && i > 0) {
|
|
|
1186 while (w->stack.pointers[i] != NULL) {
|
|
|
1187 genxAttribute decl = (genxAttribute) w->stack.pointers[i--];
|
|
|
1188 genxNamespace ns = (genxNamespace) w->stack.pointers[i--];
|
|
|
1189
|
|
|
1190 /* if already unset */
|
|
|
1191 if (ns == NULL)
|
|
|
1192 return w->status = GENX_SUCCESS;
|
|
|
1193
|
|
|
1194 /*
|
|
|
1195 * the default namespace was declared. This namespace now
|
|
|
1196 * becomes baroque
|
|
|
1197 */
|
|
|
1198 if (decl == w->xmlnsEquals) {
|
|
|
1199 ns->baroque = True;
|
|
|
1200 found = True;
|
|
|
1201 break;
|
|
|
1202 }
|
|
|
1203 }
|
|
|
1204 i -= 2;
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 if (!found)
|
|
|
1208 return GENX_SUCCESS;
|
|
|
1209
|
|
|
1210 /*
|
|
|
1211 * push a signal on the stack
|
|
|
1212 */
|
|
|
1213 if ((w->status = listAppend(&w->stack, NULL)) != GENX_SUCCESS)
|
|
|
1214 return w->status;
|
|
|
1215 w->status = listAppend(&w->stack, w->xmlnsEquals);
|
|
|
1216 if (w->status != GENX_SUCCESS)
|
|
|
1217 return w->status;
|
|
|
1218
|
|
|
1219 /* add the xmlns= attribute, it must be the first one */
|
|
|
1220 return addAttribute(w->xmlnsEquals, w->empty);
|
|
|
1221 }
|
|
|
1222
|
|
|
1223 /*
|
|
|
1224 * clear the default namespace declaration
|
|
|
1225 */
|
|
|
1226 FUNGE_ATTR_FAST genxStatus genxUnsetDefaultNamespace(genxWriter w)
|
|
|
1227 {
|
|
|
1228
|
|
|
1229 /* can only do this while in start-tag mode */
|
|
|
1230 if (w->sequence != SEQUENCE_START_TAG)
|
|
|
1231 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1232
|
|
|
1233 return unsetDefaultNamespace(w);
|
|
|
1234 }
|
|
|
1235
|
|
|
1236 FUNGE_ATTR_FAST genxStatus genxStartElement(genxElement e)
|
|
|
1237 {
|
|
|
1238 genxWriter w = e->writer;
|
|
|
1239 ssize_t i;
|
|
|
1240
|
|
|
1241 switch (w->sequence) {
|
|
|
1242 case SEQUENCE_NO_DOC:
|
|
|
1243 case SEQUENCE_POST_DOC:
|
|
|
1244 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1245 case SEQUENCE_START_TAG:
|
|
|
1246 case SEQUENCE_ATTRIBUTES:
|
|
|
1247 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1248 return w->status;
|
|
|
1249 break;
|
|
|
1250 case SEQUENCE_PRE_DOC:
|
|
|
1251 case SEQUENCE_CONTENT:
|
|
|
1252 break;
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 w->sequence = SEQUENCE_START_TAG;
|
|
|
1256
|
|
|
1257 /* clear provided attributes */
|
|
|
1258 for (i = 0; i < w->attributes.count; i++)
|
|
|
1259 ((genxAttribute) w->attributes.pointers[i])->provided = 0;
|
|
|
1260
|
|
|
1261 /*
|
|
|
1262 * push the stack. We push a NULL after a pointer to this element
|
|
|
1263 * because the stack will also contain pointers to the namespace
|
|
|
1264 * attributes that got declared here, so we can keep track of what's
|
|
|
1265 * in effect. I.e. a single stack entry consists logically of a pointer
|
|
|
1266 * to an element object, a NULL, then zero or more pairs of pointers to
|
|
|
1267 * namespace objects/declarations
|
|
|
1268 */
|
|
|
1269 if ((w->status = listAppend(&w->stack, e)) != GENX_SUCCESS)
|
|
|
1270 return w->status;
|
|
|
1271 if ((w->status = listAppend(&w->stack, NULL)) != GENX_SUCCESS)
|
|
|
1272 return w->status;
|
|
|
1273
|
|
|
1274 w->nowStarting = e;
|
|
|
1275
|
|
|
1276 return GENX_SUCCESS;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 /*
|
|
|
1280 * internal namespace adder; no sequence checking
|
|
|
1281 */
|
|
|
1282 FUNGE_ATTR_FAST
|
|
|
1283 static genxStatus addNamespace(genxNamespace ns, constUtf8 prefix)
|
|
|
1284 {
|
|
|
1285 genxWriter w = ns->writer;
|
|
|
1286 genxAttribute decl;
|
|
|
1287 ssize_t i;
|
|
|
1288 genxElement e;
|
|
|
1289
|
|
|
1290 /*
|
|
|
1291 * first, we'll find the declaring attribute
|
|
|
1292 */
|
|
|
1293 if (prefix == NULL)
|
|
|
1294 decl = ns->defaultDecl;
|
|
|
1295 else {
|
|
|
1296 if (prefix[0] == 0)
|
|
|
1297 decl = w->xmlnsEquals;
|
|
|
1298 else {
|
|
|
1299 if ((prefix = storePrefix(w, prefix, True)) == NULL)
|
|
|
1300 return w->status;
|
|
|
1301 decl = declareAttribute(w, NULL, prefix, ns->name, &w->status);
|
|
|
1302 if (decl == NULL || w->status != GENX_SUCCESS)
|
|
|
1303 return w->status;
|
|
|
1304 }
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 if (decl != ns->defaultDecl)
|
|
|
1308 ns->baroque = True;
|
|
|
1309
|
|
|
1310 /*
|
|
|
1311 * avoid doing anything if this namespace is already declared. If
|
|
|
1312 * they've shown good taste we can do this cheaply
|
|
|
1313 */
|
|
|
1314 if (!ns->baroque) {
|
|
|
1315 if (ns->declCount > 0)
|
|
|
1316 return w->status = GENX_SUCCESS;
|
|
|
1317 } else {
|
|
|
1318
|
|
|
1319 /*
|
|
|
1320 * First, we'll run all the way up the stack to see if there is
|
|
|
1321 * another declaration for this namespace/prefix in scope, in which
|
|
|
1322 * case it's a no-op; or, if there's another declaration for this
|
|
|
1323 * prefix on another namespace, in which case we have to over-ride
|
|
|
1324 */
|
|
|
1325 i = w->stack.count - 1;
|
|
|
1326 while (i > 0) {
|
|
|
1327 while (w->stack.pointers[i] != NULL) {
|
|
|
1328 genxAttribute otherDecl = (genxAttribute) w->stack.pointers[i--];
|
|
|
1329 genxNamespace otherNs = (genxNamespace) w->stack.pointers[i--];
|
|
|
1330
|
|
|
1331 if (ns == otherNs) {
|
|
|
1332 if (decl == otherDecl)
|
|
|
1333 return w->status = GENX_SUCCESS;
|
|
|
1334 else {
|
|
|
1335 i = 0;
|
|
|
1336 break;
|
|
|
1337 }
|
|
|
1338 } else {
|
|
|
1339 /* different namespace, same prefix? */
|
|
|
1340 if (decl == otherDecl) {
|
|
|
1341 i = 0;
|
|
|
1342 break;
|
|
|
1343 }
|
|
|
1344 }
|
|
|
1345 }
|
|
|
1346 i -= 2;
|
|
|
1347 }
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 /*
|
|
|
1351 * If this namespace is already declared on
|
|
|
1352 * this element (with different prefix/decl) which is an error.
|
|
|
1353 */
|
|
|
1354 i = w->stack.count - 1;
|
|
|
1355 while (w->stack.pointers[i] != NULL) {
|
|
|
1356 genxNamespace otherNs;
|
|
|
1357 i--; /* don't need declaration */
|
|
|
1358 otherNs = (genxNamespace) w->stack.pointers[i--];
|
|
|
1359
|
|
|
1360 if (ns == otherNs)
|
|
|
1361 return w->status = GENX_DUPLICATE_NAMESPACE;
|
|
|
1362 }
|
|
|
1363
|
|
|
1364 /* move pointer from NULL to element */
|
|
|
1365 --i;
|
|
|
1366
|
|
|
1367 /*
|
|
|
1368 * It's also an error if this is a default-namespace declaration and the
|
|
|
1369 * element is in no namespace.
|
|
|
1370 */
|
|
|
1371 e = (genxElement) w->stack.pointers[i];
|
|
|
1372 if (e->ns == NULL && decl == w->xmlnsEquals)
|
|
|
1373 return w->status = GENX_BAD_DEFAULT_DECLARATION;
|
|
|
1374
|
|
|
1375 if ((w->status = listAppend(&w->stack, ns)) != GENX_SUCCESS)
|
|
|
1376 return w->status;
|
|
|
1377 if ((w->status = listAppend(&w->stack, decl)) != GENX_SUCCESS)
|
|
|
1378 return w->status;
|
|
|
1379
|
|
|
1380 ns->declaration = decl;
|
|
|
1381 ns->declCount++;
|
|
|
1382 return addAttribute(decl, ns->name);
|
|
|
1383 }
|
|
|
1384
|
|
|
1385 /*
|
|
|
1386 * Add a namespace declaration
|
|
|
1387 */
|
|
|
1388 FUNGE_ATTR_FAST genxStatus genxAddNamespace(genxNamespace ns, utf8 prefix)
|
|
|
1389 {
|
|
|
1390 if (ns->writer->sequence != SEQUENCE_START_TAG)
|
|
|
1391 return ns->writer->status = GENX_SEQUENCE_ERROR;
|
|
|
1392
|
|
|
1393 return addNamespace(ns, prefix);
|
|
|
1394 }
|
|
|
1395
|
|
|
1396 /*
|
|
|
1397 * Private attribute-adding code
|
|
|
1398 * most of the work here is normalizing the value, which is the same
|
|
|
1399 * as regular normalization except for " is replaced by """
|
|
|
1400 */
|
|
|
1401 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
1402 static genxStatus addAttribute(genxAttribute a, constUtf8 valuestr)
|
|
|
1403 {
|
|
|
1404 constUtf8 lastv = (constUtf8) valuestr;
|
|
|
1405 genxWriter w = a->writer;
|
|
|
1406
|
|
|
1407 /* if valuestr not provided, this is an xmlns with a pre-cooked value */
|
|
|
1408 if (valuestr) {
|
|
|
1409 startCollect(&a->value);
|
|
|
1410 while (*valuestr) {
|
|
|
1411 int c = genxNextUnicodeChar(&valuestr);
|
|
|
1412
|
|
|
1413 if (c == -1)
|
|
|
1414 return w->status = GENX_BAD_UTF8;
|
|
|
1415
|
|
|
1416 if (!isXMLChar(w, c))
|
|
|
1417 return w->status = GENX_NON_XML_CHARACTER;
|
|
|
1418
|
|
|
1419 switch (c) {
|
|
|
1420 case 9:
|
|
|
1421 collectPiece(w, &a->value, "	", 5);
|
|
|
1422 break;
|
|
|
1423 case 0xa:
|
|
|
1424 collectPiece(w, &a->value, "
", 5);
|
|
|
1425 break;
|
|
|
1426 case 0xd:
|
|
|
1427 collectPiece(w, &a->value, "
", 5);
|
|
|
1428 break;
|
|
|
1429 case '"':
|
|
|
1430 collectPiece(w, &a->value, """, 6);
|
|
|
1431 break;
|
|
|
1432 case '<':
|
|
|
1433 collectPiece(w, &a->value, "<", 4);
|
|
|
1434 break;
|
|
|
1435 case '&':
|
|
|
1436 collectPiece(w, &a->value, "&", 5);
|
|
|
1437 break;
|
|
|
1438 /*
|
|
|
1439 case '>':
|
|
|
1440 collectPiece(w, &a->value, ">", 4);
|
|
|
1441 break;
|
|
|
1442 */
|
|
|
1443 default:
|
|
|
1444 collectPiece(w, &a->value, (const char *) lastv, valuestr - lastv);
|
|
|
1445 break;
|
|
|
1446 }
|
|
|
1447 lastv = (constUtf8) valuestr;
|
|
|
1448 }
|
|
|
1449 endCollect(&a->value);
|
|
|
1450 }
|
|
|
1451
|
|
|
1452 /* now add the namespace attribute; might fail if it's bee hand-declared */
|
|
|
1453 if (a->ns)
|
|
|
1454 addNamespace(a->ns, NULL);
|
|
|
1455
|
|
|
1456 if (valuestr && a->provided)
|
|
|
1457 return w->status = GENX_DUPLICATE_ATTRIBUTE;
|
|
|
1458 a->provided = 1;
|
|
|
1459
|
|
|
1460 return GENX_SUCCESS;
|
|
|
1461 }
|
|
|
1462
|
|
|
1463 /*
|
|
|
1464 * public attribute adder.
|
|
|
1465 * The only difference is that it doesn't allow a NULL value
|
|
|
1466 */
|
|
|
1467 FUNGE_ATTR_FAST genxStatus genxAddAttribute(genxAttribute a, constUtf8 valuestr)
|
|
|
1468 {
|
|
|
1469 if (a->writer->sequence != SEQUENCE_START_TAG &&
|
|
|
1470 a->writer->sequence != SEQUENCE_ATTRIBUTES)
|
|
|
1471 return a->writer->status = GENX_SEQUENCE_ERROR;
|
|
|
1472 a->writer->sequence = SEQUENCE_ATTRIBUTES;
|
|
|
1473
|
|
|
1474 if (valuestr == NULL)
|
|
|
1475 return a->writer->status = GENX_MISSING_VALUE;
|
|
|
1476
|
|
|
1477 return addAttribute(a, valuestr);
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 FUNGE_ATTR_FAST genxStatus genxEndElement(genxWriter w)
|
|
|
1481 {
|
|
|
1482 genxElement e;
|
|
|
1483 ssize_t i;
|
|
|
1484
|
|
|
1485 switch (w->sequence) {
|
|
|
1486 case SEQUENCE_NO_DOC:
|
|
|
1487 case SEQUENCE_PRE_DOC:
|
|
|
1488 case SEQUENCE_POST_DOC:
|
|
|
1489 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1490 case SEQUENCE_START_TAG:
|
|
|
1491 case SEQUENCE_ATTRIBUTES:
|
|
|
1492 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1493 return w->status;
|
|
|
1494 break;
|
|
|
1495 case SEQUENCE_CONTENT:
|
|
|
1496 break;
|
|
|
1497 }
|
|
|
1498
|
|
|
1499 /*
|
|
|
1500 * first peek into the stack to find the right namespace declaration
|
|
|
1501 * (if any) so we can properly prefix the end-tag. Have to do this
|
|
|
1502 * before unwinding the stack because that might reset some xmlns
|
|
|
1503 * prefixes to the context in the parent element
|
|
|
1504 */
|
|
|
1505 for (i = w->stack.count - 1; w->stack.pointers[i] != NULL; i -= 2)
|
|
|
1506 ;
|
|
|
1507 e = (genxElement) w->stack.pointers[--i];
|
|
|
1508
|
|
|
1509 SendCheck(w, "</");
|
|
|
1510 if (e->ns && e->ns->declaration != w->xmlnsEquals) {
|
|
|
1511 SendCheck(w, e->ns->declaration->name + STRLEN_XMLNS_COLON);
|
|
|
1512 SendCheck(w, ":");
|
|
|
1513 }
|
|
|
1514 SendCheck(w, e->type);
|
|
|
1515 SendCheck(w, ">");
|
|
|
1516
|
|
|
1517 /*
|
|
|
1518 * pop zero or more namespace declarations, then a null, then the
|
|
|
1519 * start-element declaration off the stack
|
|
|
1520 */
|
|
|
1521 w->stack.count--;
|
|
|
1522 while (w->stack.pointers[w->stack.count] != NULL) {
|
|
|
1523 genxNamespace ns = (genxNamespace) w->stack.pointers[--w->stack.count];
|
|
|
1524 w->stack.count--; /* don't need decl */
|
|
|
1525
|
|
|
1526 /* if not a fake unset-default namespace */
|
|
|
1527 if (ns) {
|
|
|
1528 /*
|
|
|
1529 * if they've stupidly jammed in their own namespace-prefix
|
|
|
1530 * declarations, we have to go looking to see if there's another
|
|
|
1531 * one in effect
|
|
|
1532 */
|
|
|
1533 if (ns->baroque) {
|
|
|
1534 i = w->stack.count;
|
|
|
1535 while (i > 0) {
|
|
|
1536 while (w->stack.pointers[i] != NULL) {
|
|
|
1537 genxAttribute otherDecl = (genxAttribute) w->stack.pointers[i--];
|
|
|
1538 genxNamespace otherNs = (genxNamespace) w->stack.pointers[i--];
|
|
|
1539
|
|
|
1540 if (otherNs == ns) {
|
|
|
1541 ns->declaration = otherDecl;
|
|
|
1542 i = 0;
|
|
|
1543 break;
|
|
|
1544 }
|
|
|
1545 }
|
|
|
1546
|
|
|
1547 /* skip NULL & element */
|
|
|
1548 i -= 2;
|
|
|
1549 }
|
|
|
1550 }
|
|
|
1551 ns->declCount--;
|
|
|
1552 if (ns->declCount == 0)
|
|
|
1553 ns->baroque = False;
|
|
|
1554 }
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 /* pop the NULL */
|
|
|
1558 --w->stack.count;
|
|
|
1559 if (w->stack.count < 0)
|
|
|
1560 return w->status = GENX_NO_START_TAG;
|
|
|
1561
|
|
|
1562 if (w->stack.count == 0)
|
|
|
1563 w->sequence = SEQUENCE_POST_DOC;
|
|
|
1564 else
|
|
|
1565 w->sequence = SEQUENCE_CONTENT;
|
|
|
1566
|
|
|
1567 return GENX_SUCCESS;
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 /*
|
|
|
1571 * Internal character-adder. It tries to keep the number of sendx()
|
|
|
1572 * calls down by looking at each character but only doing the output
|
|
|
1573 * when it has to escape something; ordinary text gets saved up in
|
|
|
1574 * chunks the start of which is indicated by *breaker.
|
|
|
1575 * c is the character, next points to the UTF8 representing the next
|
|
|
1576 * lastsP indirectly points to the UTF8 representing the
|
|
|
1577 * character, breakerP* indirectly points to the last place genx
|
|
|
1578 * changed the UTF8, e.g. by escaping a '<'
|
|
|
1579 */
|
|
|
1580 FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED
|
|
|
1581 static genxStatus addChar(genxWriter w, int c, constUtf8 next,
|
|
|
1582 constUtf8 * lastsP, constUtf8 * breakerP)
|
|
|
1583 {
|
|
|
1584 if (c == -1)
|
|
|
1585 return GENX_BAD_UTF8;
|
|
|
1586
|
|
|
1587 if (!isXMLChar(w, c))
|
|
|
1588 return GENX_NON_XML_CHARACTER;
|
|
|
1589
|
|
|
1590 switch (c) {
|
|
|
1591 case 0xd:
|
|
|
1592 if ((w->status = sendxBounded(w, *breakerP, *lastsP)) != GENX_SUCCESS)
|
|
|
1593 return w->status;
|
|
|
1594 *breakerP = next;
|
|
|
1595 sendx(w, (constUtf8) "
");
|
|
|
1596 break;
|
|
|
1597 case '<':
|
|
|
1598 if ((w->status = sendxBounded(w, *breakerP, *lastsP)) != GENX_SUCCESS)
|
|
|
1599 return w->status;
|
|
|
1600 *breakerP = next;
|
|
|
1601 sendx(w, (constUtf8) "<");
|
|
|
1602 break;
|
|
|
1603 case '&':
|
|
|
1604 if ((w->status = sendxBounded(w, *breakerP, *lastsP)) != GENX_SUCCESS)
|
|
|
1605 return w->status;
|
|
|
1606 *breakerP = next;
|
|
|
1607 sendx(w, (constUtf8) "&");
|
|
|
1608 break;
|
|
|
1609 case '>':
|
|
|
1610 if ((w->status = sendxBounded(w, *breakerP, *lastsP)) != GENX_SUCCESS)
|
|
|
1611 return w->status;
|
|
|
1612 *breakerP = next;
|
|
|
1613 sendx(w, (constUtf8) ">");
|
|
|
1614 break;
|
|
|
1615 default:
|
|
|
1616 break;
|
|
|
1617 }
|
|
|
1618 *lastsP = next;
|
|
|
1619 return GENX_SUCCESS;
|
|
|
1620 }
|
|
|
1621
|
|
|
1622 FUNGE_ATTR_FAST genxStatus genxAddText(genxWriter w, constUtf8 start)
|
|
|
1623 {
|
|
|
1624 constUtf8 lasts = start;
|
|
|
1625 constUtf8 breaker = start;
|
|
|
1626
|
|
|
1627 if (w->sequence == SEQUENCE_START_TAG ||
|
|
|
1628 w->sequence == SEQUENCE_ATTRIBUTES) {
|
|
|
1629 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1630 return w->status;
|
|
|
1631 w->sequence = SEQUENCE_CONTENT;
|
|
|
1632 }
|
|
|
1633
|
|
|
1634 if (w->sequence != SEQUENCE_CONTENT)
|
|
|
1635 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1636
|
|
|
1637 while (*start) {
|
|
|
1638 int c = genxNextUnicodeChar(&start);
|
|
|
1639
|
|
|
1640 w->status = addChar(w, c, start, &lasts, &breaker);
|
|
|
1641 if (w->status != GENX_SUCCESS)
|
|
|
1642 return w->status;
|
|
|
1643 }
|
|
|
1644 return sendxBounded(w, breaker, (constUtf8) start);
|
|
|
1645 }
|
|
|
1646
|
|
|
1647 FUNGE_ATTR_FAST genxStatus genxAddBoundedText(genxWriter w, constUtf8 start, constUtf8 end)
|
|
|
1648 {
|
|
|
1649 constUtf8 lasts = start;
|
|
|
1650 constUtf8 breaker = start;
|
|
|
1651
|
|
|
1652 if (w->sequence == SEQUENCE_START_TAG ||
|
|
|
1653 w->sequence == SEQUENCE_ATTRIBUTES) {
|
|
|
1654 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1655 return w->status;
|
|
|
1656 w->sequence = SEQUENCE_CONTENT;
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 if (w->sequence != SEQUENCE_CONTENT)
|
|
|
1660 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1661
|
|
|
1662 while (start < end) {
|
|
|
1663 int c = genxNextUnicodeChar(&start);
|
|
|
1664
|
|
|
1665 w->status = addChar(w, c, (constUtf8) start, &lasts, &breaker);
|
|
|
1666 if (w->status != GENX_SUCCESS)
|
|
|
1667 return w->status;
|
|
|
1668 }
|
|
|
1669 return sendxBounded(w, breaker, (constUtf8) start);
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 FUNGE_ATTR_FAST genxStatus genxAddCountedText(genxWriter w, constUtf8 start, int byteCount)
|
|
|
1673 {
|
|
|
1674 constUtf8 end = (constUtf8)(start + byteCount);
|
|
|
1675
|
|
|
1676 return genxAddBoundedText(w, start, end);
|
|
|
1677 }
|
|
|
1678
|
|
|
1679 FUNGE_ATTR_FAST genxStatus genxAddCharacter(genxWriter w, int c)
|
|
|
1680 {
|
|
|
1681 unsigned char cUTF8[10];
|
|
|
1682 utf8 lasts, breaker, next;
|
|
|
1683
|
|
|
1684 if (w->sequence == SEQUENCE_START_TAG ||
|
|
|
1685 w->sequence == SEQUENCE_ATTRIBUTES) {
|
|
|
1686 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1687 return w->status;
|
|
|
1688 w->sequence = SEQUENCE_CONTENT;
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 if (w->sequence != SEQUENCE_CONTENT)
|
|
|
1692 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1693
|
|
|
1694 if (!isXMLChar(w, c))
|
|
|
1695 return w->status = GENX_NON_XML_CHARACTER;
|
|
|
1696
|
|
|
1697 /* make UTF8 representation of character */
|
|
|
1698 lasts = breaker = next = cUTF8;
|
|
|
1699
|
|
|
1700 if (c < 0x80)
|
|
|
1701 *next++ = c;
|
|
|
1702 else if (c < 0x800) {
|
|
|
1703 *next++ = 0xc0 | (c >> 6);
|
|
|
1704 *next++ = 0x80 | (c & 0x3f);
|
|
|
1705 } else if (c < 0x10000) {
|
|
|
1706 *next++ = 0xe0 | (c >> 12);
|
|
|
1707 *next++ = 0x80 | ((c & 0xfc0) >> 6);
|
|
|
1708 *next++ = 0x80 | (c & 0x3f);
|
|
|
1709 } else {
|
|
|
1710 *next++ = 0xf0 | (c >> 18);
|
|
|
1711 *next++ = 0x80 | ((c & 0x3f000) >> 12);
|
|
|
1712 *next++ = 0x80 | ((c & 0xfc0) >> 6);
|
|
|
1713 *next++ = 0x80 | (c & 0x3f);
|
|
|
1714 }
|
|
|
1715 *next = 0;
|
|
|
1716
|
|
|
1717 w->status =
|
|
|
1718 addChar(w, c, next, (constUtf8 *) & lasts, (constUtf8 *) & breaker);
|
|
|
1719 if (w->status != GENX_SUCCESS)
|
|
|
1720 return w->status;
|
|
|
1721
|
|
|
1722 return sendxBounded(w, breaker, next);
|
|
|
1723 }
|
|
|
1724
|
|
|
1725 FUNGE_ATTR_FAST genxStatus genxEndDocument(genxWriter w)
|
|
|
1726 {
|
|
|
1727 if (w->sequence != SEQUENCE_POST_DOC)
|
|
|
1728 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1729
|
|
|
1730 if (w->file)
|
|
|
1731 fflush(w->file);
|
|
|
1732 else
|
|
|
1733 if ((w->status = (*w->sender->flush)(w->userData)) != GENX_SUCCESS)
|
|
|
1734 return w->status;
|
|
|
1735
|
|
|
1736 w->sequence = SEQUENCE_NO_DOC;
|
|
|
1737 return GENX_SUCCESS;
|
|
|
1738 }
|
|
|
1739
|
|
|
1740 FUNGE_ATTR_FAST genxStatus genxComment(genxWriter w, constUtf8 text)
|
|
|
1741 {
|
|
|
1742 int i;
|
|
|
1743
|
|
|
1744 if (w->sequence == SEQUENCE_NO_DOC)
|
|
|
1745 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1746
|
|
|
1747 if ((w->status = genxCheckText(w, text)) != GENX_SUCCESS)
|
|
|
1748 return w->status;
|
|
|
1749
|
|
|
1750 /* no leading '-', no trailing '-', no '--' */
|
|
|
1751 if (text[0] == '-')
|
|
|
1752 return w->status = GENX_MALFORMED_COMMENT;
|
|
|
1753 for (i = 0; text[i]; i++)
|
|
|
1754 if (text[i] == '-' && (text[i + 1] == '-' || text[i + 1] == 0))
|
|
|
1755 return w->status = GENX_MALFORMED_COMMENT;
|
|
|
1756
|
|
|
1757 if (w->sequence == SEQUENCE_START_TAG ||
|
|
|
1758 w->sequence == SEQUENCE_ATTRIBUTES) {
|
|
|
1759 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1760 return w->status;
|
|
|
1761 w->sequence = SEQUENCE_CONTENT;
|
|
|
1762 }
|
|
|
1763
|
|
|
1764 else if (w->sequence == SEQUENCE_POST_DOC)
|
|
|
1765 if ((w->status = sendx(w, (constUtf8) "\n")) != GENX_SUCCESS)
|
|
|
1766 return w->status;
|
|
|
1767
|
|
|
1768 if ((w->status = sendx(w, (constUtf8) "<!--")) != GENX_SUCCESS)
|
|
|
1769 return w->status;
|
|
|
1770 if ((w->status = sendx(w, (constUtf8) text)) != GENX_SUCCESS)
|
|
|
1771 return w->status;
|
|
|
1772 if ((w->status = sendx(w, (constUtf8) "-->")) != GENX_SUCCESS)
|
|
|
1773 return w->status;
|
|
|
1774
|
|
|
1775 if (w->sequence == SEQUENCE_PRE_DOC)
|
|
|
1776 if ((w->status = sendx(w, (constUtf8) "\n")) != GENX_SUCCESS)
|
|
|
1777 return w->status;
|
|
|
1778
|
|
|
1779 return GENX_SUCCESS;
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 FUNGE_ATTR_FAST genxStatus genxPI(genxWriter w, constUtf8 target, constUtf8 text)
|
|
|
1783 {
|
|
|
1784 int i;
|
|
|
1785
|
|
|
1786 if (w->sequence == SEQUENCE_NO_DOC)
|
|
|
1787 return w->status = GENX_SEQUENCE_ERROR;
|
|
|
1788
|
|
|
1789 if ((w->status = genxCheckText(w, target)) != GENX_SUCCESS)
|
|
|
1790 return w->status;
|
|
|
1791 if ((w->status = checkNCName(w, target)) != GENX_SUCCESS)
|
|
|
1792 return w->status;
|
|
|
1793 if ((strlen((const char *) target) >= 3) &&
|
|
|
1794 (target[0] == 'x' || target[0] == 'X') &&
|
|
|
1795 (target[1] == 'm' || target[1] == 'M') &&
|
|
|
1796 (target[2] == 'l' || target[2] == 'L') &&
|
|
|
1797 (target[3] == 0))
|
|
|
1798 return w->status = GENX_XML_PI_TARGET;
|
|
|
1799
|
|
|
1800 if ((w->status = genxCheckText(w, text)) != GENX_SUCCESS)
|
|
|
1801 return w->status;
|
|
|
1802
|
|
|
1803 /* no ?> within */
|
|
|
1804 for (i = 1; text[i]; i++)
|
|
|
1805 if (text[i] == '>' && text[i - 1] == '?')
|
|
|
1806 return w->status = GENX_MALFORMED_PI;
|
|
|
1807
|
|
|
1808 if (w->sequence == SEQUENCE_START_TAG ||
|
|
|
1809 w->sequence == SEQUENCE_ATTRIBUTES) {
|
|
|
1810 if ((w->status = writeStartTag(w)) != GENX_SUCCESS)
|
|
|
1811 return w->status;
|
|
|
1812 w->sequence = SEQUENCE_CONTENT;
|
|
|
1813 }
|
|
|
1814
|
|
|
1815 else if (w->sequence == SEQUENCE_POST_DOC)
|
|
|
1816 if ((w->status = sendx(w, (constUtf8) "\n")) != GENX_SUCCESS)
|
|
|
1817 return w->status;
|
|
|
1818
|
|
|
1819 if ((w->status = sendx(w, (constUtf8) "<?")) != GENX_SUCCESS)
|
|
|
1820 return w->status;
|
|
|
1821 if ((w->status = sendx(w, target)) != GENX_SUCCESS)
|
|
|
1822 return w->status;
|
|
|
1823 if (text[0]) {
|
|
|
1824 if ((w->status = sendx(w, (constUtf8) " ")) != GENX_SUCCESS)
|
|
|
1825 return w->status;
|
|
|
1826 if ((w->status = sendx(w, text)) != GENX_SUCCESS)
|
|
|
1827 return w->status;
|
|
|
1828 }
|
|
|
1829 if ((w->status = sendx(w, (constUtf8) "?>")) != GENX_SUCCESS)
|
|
|
1830 return w->status;
|
|
|
1831
|
|
|
1832 if (w->sequence == SEQUENCE_PRE_DOC)
|
|
|
1833 if ((w->status = sendx(w, (constUtf8) "\n")) != GENX_SUCCESS)
|
|
|
1834 return w->status;
|
|
|
1835
|
|
|
1836 return GENX_SUCCESS;
|
|
|
1837 }
|
|
|
1838
|
|
|
1839 /*******************************
|
|
|
1840 * Literal versions of the writing routines
|
|
|
1841 */
|
|
|
1842 FUNGE_ATTR_FAST
|
|
|
1843 genxStatus genxStartElementLiteral(genxWriter w,
|
|
|
1844 constUtf8 xmlns, constUtf8 type)
|
|
|
1845 {
|
|
|
1846 genxNamespace ns = NULL;
|
|
|
1847 genxElement e;
|
|
|
1848
|
|
|
1849 if (xmlns) {
|
|
|
1850 ns = genxDeclareNamespace(w, xmlns, NULL, &w->status);
|
|
|
1851 if (ns == NULL || w->status != GENX_SUCCESS)
|
|
|
1852 return w->status;
|
|
|
1853 }
|
|
|
1854 e = genxDeclareElement(w, ns, type, &w->status);
|
|
|
1855 if (e == NULL || w->status != GENX_SUCCESS)
|
|
|
1856 return w->status;
|
|
|
1857
|
|
|
1858 return genxStartElement(e);
|
|
|
1859 }
|
|
|
1860
|
|
|
1861 FUNGE_ATTR_FAST
|
|
|
1862 genxStatus genxAddAttributeLiteral(genxWriter w, constUtf8 xmlns,
|
|
|
1863 constUtf8 name, constUtf8 value)
|
|
|
1864 {
|
|
|
1865 genxNamespace ns = NULL;
|
|
|
1866 genxAttribute a;
|
|
|
1867
|
|
|
1868 if (xmlns) {
|
|
|
1869 ns = genxDeclareNamespace(w, xmlns, NULL, &w->status);
|
|
|
1870 if (ns == NULL && w->status != GENX_SUCCESS)
|
|
|
1871 return w->status;
|
|
|
1872 }
|
|
|
1873
|
|
|
1874 a = genxDeclareAttribute(w, ns, name, &w->status);
|
|
|
1875 if (a == NULL || w->status != GENX_SUCCESS)
|
|
|
1876 return w->status;
|
|
|
1877
|
|
|
1878 return genxAddAttribute(a, value);
|
|
|
1879 }
|
|
|
1880
|
|
|
1881 /*
|
|
|
1882 * return version
|
|
|
1883 */
|
|
|
1884 FUNGE_ATTR_FAST const char * genxGetVersion(void)
|
|
|
1885 {
|
|
|
1886 return GENX_VERSION;
|
|
|
1887 }
|
|
|
1888
|
|
|
1889 #endif /* !defined(CFUN_NO_FLOATS) && !defined(CFUN_NO_TURT) */
|
