* htmlSetMetaEncoding: * @doc: the document * @encoding: the encoding string * * Sets the current encoding in the Meta tags * NOTE: this will not change the document content encoding, just * the META flag associated. * * Returns 0 in case of success and -1 in case of error */
| 159 | * Returns 0 in case of success and -1 in case of error |
| 160 | */ |
| 161 | int |
| 162 | htmlSetMetaEncoding(htmlDocPtr doc, const xmlChar *encoding) { |
| 163 | htmlNodePtr cur, meta; |
| 164 | const xmlChar *content; |
| 165 | char newcontent[100]; |
| 166 | |
| 167 | |
| 168 | if (doc == NULL) |
| 169 | return(-1); |
| 170 | |
| 171 | if (encoding != NULL) { |
| 172 | snprintf(newcontent, sizeof(newcontent), "text/html; charset=%s", |
| 173 | (char *)encoding); |
| 174 | newcontent[sizeof(newcontent) - 1] = 0; |
| 175 | } |
| 176 | |
| 177 | cur = doc->children; |
| 178 | |
| 179 | /* |
| 180 | * Search the html |
| 181 | */ |
| 182 | while (cur != NULL) { |
| 183 | if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { |
| 184 | if (xmlStrcasecmp(cur->name, BAD_CAST"html") == 0) |
| 185 | break; |
| 186 | if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0) |
| 187 | goto found_head; |
| 188 | if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) |
| 189 | goto found_meta; |
| 190 | } |
| 191 | cur = cur->next; |
| 192 | } |
| 193 | if (cur == NULL) |
| 194 | return(-1); |
| 195 | cur = cur->children; |
| 196 | |
| 197 | /* |
| 198 | * Search the head |
| 199 | */ |
| 200 | while (cur != NULL) { |
| 201 | if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { |
| 202 | if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0) |
| 203 | break; |
| 204 | if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) |
| 205 | goto found_meta; |
| 206 | } |
| 207 | cur = cur->next; |
| 208 | } |
| 209 | if (cur == NULL) |
| 210 | return(-1); |
| 211 | found_head: |
| 212 | if (cur->children == NULL) { |
| 213 | if (encoding == NULL) |
| 214 | return(0); |
| 215 | meta = xmlNewDocNode(doc, NULL, BAD_CAST"meta", NULL); |
| 216 | xmlAddChild(cur, meta); |
| 217 | xmlNewProp(meta, BAD_CAST"http-equiv", BAD_CAST"Content-Type"); |
| 218 | xmlNewProp(meta, BAD_CAST"content", BAD_CAST newcontent); |