xpressengine /
xe-core
@@ -30,336 +30,336 @@ |
||
| 30 | 30 | */ |
| 31 | 31 | class HtmlParser {
|
| 32 | 32 | |
| 33 | - /** |
|
| 34 | - * Field iNodeType. |
|
| 35 | - * May be one of the NODE_TYPE_* constants above. |
|
| 36 | - */ |
|
| 37 | - var $iNodeType; |
|
| 33 | + /** |
|
| 34 | + * Field iNodeType. |
|
| 35 | + * May be one of the NODE_TYPE_* constants above. |
|
| 36 | + */ |
|
| 37 | + var $iNodeType; |
|
| 38 | 38 | |
| 39 | - /** |
|
| 40 | - * Field iNodeName. |
|
| 41 | - * For elements, it's the name of the element. |
|
| 42 | - */ |
|
| 43 | - var $iNodeName = ""; |
|
| 39 | + /** |
|
| 40 | + * Field iNodeName. |
|
| 41 | + * For elements, it's the name of the element. |
|
| 42 | + */ |
|
| 43 | + var $iNodeName = ""; |
|
| 44 | 44 | |
| 45 | - /** |
|
| 46 | - * Field iNodeValue. |
|
| 47 | - * For text nodes, it's the text. |
|
| 48 | - */ |
|
| 49 | - var $iNodeValue = ""; |
|
| 45 | + /** |
|
| 46 | + * Field iNodeValue. |
|
| 47 | + * For text nodes, it's the text. |
|
| 48 | + */ |
|
| 49 | + var $iNodeValue = ""; |
|
| 50 | 50 | |
| 51 | - /** |
|
| 52 | - * Field iNodeAttributes. |
|
| 53 | - * A string-indexed array containing attribute values |
|
| 54 | - * of the current node. Indexes are always lowercase. |
|
| 55 | - */ |
|
| 56 | - var $iNodeAttributes; |
|
| 51 | + /** |
|
| 52 | + * Field iNodeAttributes. |
|
| 53 | + * A string-indexed array containing attribute values |
|
| 54 | + * of the current node. Indexes are always lowercase. |
|
| 55 | + */ |
|
| 56 | + var $iNodeAttributes; |
|
| 57 | 57 | |
| 58 | - // The following fields should be |
|
| 59 | - // considered private: |
|
| 58 | + // The following fields should be |
|
| 59 | + // considered private: |
|
| 60 | 60 | |
| 61 | - var $iHtmlText; |
|
| 62 | - var $iHtmlTextLength; |
|
| 63 | - var $iHtmlTextIndex = 0; |
|
| 64 | - var $iHtmlCurrentChar; |
|
| 65 | - var $BOE_ARRAY; |
|
| 66 | - var $B_ARRAY; |
|
| 67 | - var $BOS_ARRAY; |
|
| 61 | + var $iHtmlText; |
|
| 62 | + var $iHtmlTextLength; |
|
| 63 | + var $iHtmlTextIndex = 0; |
|
| 64 | + var $iHtmlCurrentChar; |
|
| 65 | + var $BOE_ARRAY; |
|
| 66 | + var $B_ARRAY; |
|
| 67 | + var $BOS_ARRAY; |
|
| 68 | 68 | |
| 69 | - /** |
|
| 70 | - * Constructor. |
|
| 71 | - * Constructs an HtmlParser instance with |
|
| 72 | - * the HTML text given. |
|
| 73 | - */ |
|
| 74 | - function HtmlParser ($aHtmlText) {
|
|
| 75 | - $this->iHtmlText = $aHtmlText; |
|
| 76 | - $this->iHtmlTextLength = strlen($aHtmlText); |
|
| 77 | - $this->iNodeAttributes = array(); |
|
| 78 | - $this->setTextIndex (0); |
|
| 69 | + /** |
|
| 70 | + * Constructor. |
|
| 71 | + * Constructs an HtmlParser instance with |
|
| 72 | + * the HTML text given. |
|
| 73 | + */ |
|
| 74 | + function HtmlParser ($aHtmlText) {
|
|
| 75 | + $this->iHtmlText = $aHtmlText; |
|
| 76 | + $this->iHtmlTextLength = strlen($aHtmlText); |
|
| 77 | + $this->iNodeAttributes = array(); |
|
| 78 | + $this->setTextIndex (0); |
|
| 79 | 79 | |
| 80 | - $this->BOE_ARRAY = array (" ", "\t", "\r", "\n", "=" );
|
|
| 81 | - $this->B_ARRAY = array (" ", "\t", "\r", "\n" );
|
|
| 82 | - $this->BOS_ARRAY = array (" ", "\t", "\r", "\n", "/" );
|
|
| 83 | - } |
|
| 80 | + $this->BOE_ARRAY = array (" ", "\t", "\r", "\n", "=" );
|
|
| 81 | + $this->B_ARRAY = array (" ", "\t", "\r", "\n" );
|
|
| 82 | + $this->BOS_ARRAY = array (" ", "\t", "\r", "\n", "/" );
|
|
| 83 | + } |
|
| 84 | 84 | |
| 85 | - /** |
|
| 86 | - * Method parse. |
|
| 87 | - * Parses the next node. Returns false only if |
|
| 88 | - * the end of the HTML text has been reached. |
|
| 89 | - * Updates values of iNode* fields. |
|
| 90 | - */ |
|
| 91 | - function parse() {
|
|
| 92 | - $text = $this->skipToElement(); |
|
| 93 | - if ($text != "") {
|
|
| 94 | - $this->iNodeType = NODE_TYPE_TEXT; |
|
| 95 | - $this->iNodeName = "Text"; |
|
| 96 | - $this->iNodeValue = $text; |
|
| 97 | - return true; |
|
| 98 | - } |
|
| 99 | - return $this->readTag(); |
|
| 100 | - } |
|
| 85 | + /** |
|
| 86 | + * Method parse. |
|
| 87 | + * Parses the next node. Returns false only if |
|
| 88 | + * the end of the HTML text has been reached. |
|
| 89 | + * Updates values of iNode* fields. |
|
| 90 | + */ |
|
| 91 | + function parse() {
|
|
| 92 | + $text = $this->skipToElement(); |
|
| 93 | + if ($text != "") {
|
|
| 94 | + $this->iNodeType = NODE_TYPE_TEXT; |
|
| 95 | + $this->iNodeName = "Text"; |
|
| 96 | + $this->iNodeValue = $text; |
|
| 97 | + return true; |
|
| 98 | + } |
|
| 99 | + return $this->readTag(); |
|
| 100 | + } |
|
| 101 | 101 | |
| 102 | - function clearAttributes() {
|
|
| 103 | - $this->iNodeAttributes = array(); |
|
| 104 | - } |
|
| 102 | + function clearAttributes() {
|
|
| 103 | + $this->iNodeAttributes = array(); |
|
| 104 | + } |
|
| 105 | 105 | |
| 106 | - function readTag() {
|
|
| 107 | - if ($this->iCurrentChar != "<") {
|
|
| 108 | - $this->iNodeType = NODE_TYPE_DONE; |
|
| 109 | - return false; |
|
| 110 | - } |
|
| 111 | - $this->clearAttributes(); |
|
| 112 | - $this->skipMaxInTag ("<", 1);
|
|
| 113 | - if ($this->iCurrentChar == '/') {
|
|
| 114 | - $this->moveNext(); |
|
| 115 | - $name = $this->skipToBlanksInTag(); |
|
| 116 | - $this->iNodeType = NODE_TYPE_ENDELEMENT; |
|
| 117 | - $this->iNodeName = $name; |
|
| 118 | - $this->iNodeValue = ""; |
|
| 119 | - $this->skipEndOfTag(); |
|
| 120 | - return true; |
|
| 121 | - } |
|
| 122 | - $name = $this->skipToBlanksOrSlashInTag(); |
|
| 123 | - if (!$this->isValidTagIdentifier ($name)) {
|
|
| 124 | - $comment = false; |
|
| 125 | - if (strpos($name, "!--") === 0) {
|
|
| 126 | - $ppos = strpos($name, "--", 3); |
|
| 127 | - if (strpos($name, "--", 3) === (strlen($name) - 2)) {
|
|
| 128 | - $this->iNodeType = NODE_TYPE_COMMENT; |
|
| 129 | - $this->iNodeName = "Comment"; |
|
| 130 | - $this->iNodeValue = "<" . $name . ">"; |
|
| 131 | - $comment = true; |
|
| 132 | - } |
|
| 133 | - else {
|
|
| 134 | - $rest = $this->skipToStringInTag ("-->");
|
|
| 135 | - if ($rest != "") {
|
|
| 136 | - $this->iNodeType = NODE_TYPE_COMMENT; |
|
| 137 | - $this->iNodeName = "Comment"; |
|
| 138 | - $this->iNodeValue = "<" . $name . $rest; |
|
| 139 | - $comment = true; |
|
| 140 | - // Already skipped end of tag |
|
| 141 | - return true; |
|
| 142 | - } |
|
| 143 | - } |
|
| 144 | - } |
|
| 145 | - if (!$comment) {
|
|
| 146 | - $this->iNodeType = NODE_TYPE_TEXT; |
|
| 147 | - $this->iNodeName = "Text"; |
|
| 148 | - $this->iNodeValue = "<" . $name; |
|
| 149 | - return true; |
|
| 150 | - } |
|
| 151 | - } |
|
| 152 | - else {
|
|
| 153 | - $this->iNodeType = NODE_TYPE_ELEMENT; |
|
| 154 | - $this->iNodeValue = ""; |
|
| 155 | - $this->iNodeName = $name; |
|
| 156 | - while ($this->skipBlanksInTag()) {
|
|
| 157 | - $attrName = $this->skipToBlanksOrEqualsInTag(); |
|
| 158 | - if ($attrName != "" && $attrName != "/") {
|
|
| 159 | - $this->skipBlanksInTag(); |
|
| 160 | - if ($this->iCurrentChar == "=") {
|
|
| 161 | - $this->skipEqualsInTag(); |
|
| 162 | - $this->skipBlanksInTag(); |
|
| 163 | - $value = $this->readValueInTag(); |
|
| 164 | - $this->iNodeAttributes[strtolower($attrName)] = $value; |
|
| 165 | - } |
|
| 166 | - else {
|
|
| 167 | - $this->iNodeAttributes[strtolower($attrName)] = ""; |
|
| 168 | - } |
|
| 169 | - } |
|
| 170 | - } |
|
| 171 | - } |
|
| 172 | - $this->skipEndOfTag(); |
|
| 173 | - return true; |
|
| 174 | - } |
|
| 106 | + function readTag() {
|
|
| 107 | + if ($this->iCurrentChar != "<") {
|
|
| 108 | + $this->iNodeType = NODE_TYPE_DONE; |
|
| 109 | + return false; |
|
| 110 | + } |
|
| 111 | + $this->clearAttributes(); |
|
| 112 | + $this->skipMaxInTag ("<", 1);
|
|
| 113 | + if ($this->iCurrentChar == '/') {
|
|
| 114 | + $this->moveNext(); |
|
| 115 | + $name = $this->skipToBlanksInTag(); |
|
| 116 | + $this->iNodeType = NODE_TYPE_ENDELEMENT; |
|
| 117 | + $this->iNodeName = $name; |
|
| 118 | + $this->iNodeValue = ""; |
|
| 119 | + $this->skipEndOfTag(); |
|
| 120 | + return true; |
|
| 121 | + } |
|
| 122 | + $name = $this->skipToBlanksOrSlashInTag(); |
|
| 123 | + if (!$this->isValidTagIdentifier ($name)) {
|
|
| 124 | + $comment = false; |
|
| 125 | + if (strpos($name, "!--") === 0) {
|
|
| 126 | + $ppos = strpos($name, "--", 3); |
|
| 127 | + if (strpos($name, "--", 3) === (strlen($name) - 2)) {
|
|
| 128 | + $this->iNodeType = NODE_TYPE_COMMENT; |
|
| 129 | + $this->iNodeName = "Comment"; |
|
| 130 | + $this->iNodeValue = "<" . $name . ">"; |
|
| 131 | + $comment = true; |
|
| 132 | + } |
|
| 133 | + else {
|
|
| 134 | + $rest = $this->skipToStringInTag ("-->");
|
|
| 135 | + if ($rest != "") {
|
|
| 136 | + $this->iNodeType = NODE_TYPE_COMMENT; |
|
| 137 | + $this->iNodeName = "Comment"; |
|
| 138 | + $this->iNodeValue = "<" . $name . $rest; |
|
| 139 | + $comment = true; |
|
| 140 | + // Already skipped end of tag |
|
| 141 | + return true; |
|
| 142 | + } |
|
| 143 | + } |
|
| 144 | + } |
|
| 145 | + if (!$comment) {
|
|
| 146 | + $this->iNodeType = NODE_TYPE_TEXT; |
|
| 147 | + $this->iNodeName = "Text"; |
|
| 148 | + $this->iNodeValue = "<" . $name; |
|
| 149 | + return true; |
|
| 150 | + } |
|
| 151 | + } |
|
| 152 | + else {
|
|
| 153 | + $this->iNodeType = NODE_TYPE_ELEMENT; |
|
| 154 | + $this->iNodeValue = ""; |
|
| 155 | + $this->iNodeName = $name; |
|
| 156 | + while ($this->skipBlanksInTag()) {
|
|
| 157 | + $attrName = $this->skipToBlanksOrEqualsInTag(); |
|
| 158 | + if ($attrName != "" && $attrName != "/") {
|
|
| 159 | + $this->skipBlanksInTag(); |
|
| 160 | + if ($this->iCurrentChar == "=") {
|
|
| 161 | + $this->skipEqualsInTag(); |
|
| 162 | + $this->skipBlanksInTag(); |
|
| 163 | + $value = $this->readValueInTag(); |
|
| 164 | + $this->iNodeAttributes[strtolower($attrName)] = $value; |
|
| 165 | + } |
|
| 166 | + else {
|
|
| 167 | + $this->iNodeAttributes[strtolower($attrName)] = ""; |
|
| 168 | + } |
|
| 169 | + } |
|
| 170 | + } |
|
| 171 | + } |
|
| 172 | + $this->skipEndOfTag(); |
|
| 173 | + return true; |
|
| 174 | + } |
|
| 175 | 175 | |
| 176 | - function isValidTagIdentifier ($name) {
|
|
| 177 | - return preg_match ("/^[A-Za-z0-9_\\-]+$/", $name);
|
|
| 178 | - } |
|
| 176 | + function isValidTagIdentifier ($name) {
|
|
| 177 | + return preg_match ("/^[A-Za-z0-9_\\-]+$/", $name);
|
|
| 178 | + } |
|
| 179 | 179 | |
| 180 | - function skipBlanksInTag() {
|
|
| 181 | - return "" != ($this->skipInTag ($this->B_ARRAY)); |
|
| 182 | - } |
|
| 180 | + function skipBlanksInTag() {
|
|
| 181 | + return "" != ($this->skipInTag ($this->B_ARRAY)); |
|
| 182 | + } |
|
| 183 | 183 | |
| 184 | - function skipToBlanksOrEqualsInTag() {
|
|
| 185 | - return $this->skipToInTag ($this->BOE_ARRAY); |
|
| 186 | - } |
|
| 184 | + function skipToBlanksOrEqualsInTag() {
|
|
| 185 | + return $this->skipToInTag ($this->BOE_ARRAY); |
|
| 186 | + } |
|
| 187 | 187 | |
| 188 | - function skipToBlanksInTag() {
|
|
| 189 | - return $this->skipToInTag ($this->B_ARRAY); |
|
| 190 | - } |
|
| 188 | + function skipToBlanksInTag() {
|
|
| 189 | + return $this->skipToInTag ($this->B_ARRAY); |
|
| 190 | + } |
|
| 191 | 191 | |
| 192 | - function skipToBlanksOrSlashInTag() {
|
|
| 193 | - return $this->skipToInTag ($this->BOS_ARRAY); |
|
| 194 | - } |
|
| 192 | + function skipToBlanksOrSlashInTag() {
|
|
| 193 | + return $this->skipToInTag ($this->BOS_ARRAY); |
|
| 194 | + } |
|
| 195 | 195 | |
| 196 | - function skipEqualsInTag() {
|
|
| 197 | - return $this->skipMaxInTag ("=", 1);
|
|
| 198 | - } |
|
| 196 | + function skipEqualsInTag() {
|
|
| 197 | + return $this->skipMaxInTag ("=", 1);
|
|
| 198 | + } |
|
| 199 | 199 | |
| 200 | - function readValueInTag() {
|
|
| 201 | - $ch = $this->iCurrentChar; |
|
| 202 | - $value = ""; |
|
| 203 | - if ($ch == "\"") {
|
|
| 204 | - $this->skipMaxInTag ("\"", 1);
|
|
| 205 | - $value = $this->skipToInTag ("\"");
|
|
| 206 | - $this->skipMaxInTag ("\"", 1);
|
|
| 207 | - } |
|
| 208 | - else if ($ch == "'") {
|
|
| 209 | - $this->skipMaxInTag ("'", 1);
|
|
| 210 | - $value = $this->skipToInTag ("'");
|
|
| 211 | - $this->skipMaxInTag ("'", 1);
|
|
| 212 | - } |
|
| 213 | - else {
|
|
| 214 | - $value = $this->skipToBlanksInTag(); |
|
| 215 | - } |
|
| 216 | - return $value; |
|
| 217 | - } |
|
| 200 | + function readValueInTag() {
|
|
| 201 | + $ch = $this->iCurrentChar; |
|
| 202 | + $value = ""; |
|
| 203 | + if ($ch == "\"") {
|
|
| 204 | + $this->skipMaxInTag ("\"", 1);
|
|
| 205 | + $value = $this->skipToInTag ("\"");
|
|
| 206 | + $this->skipMaxInTag ("\"", 1);
|
|
| 207 | + } |
|
| 208 | + else if ($ch == "'") {
|
|
| 209 | + $this->skipMaxInTag ("'", 1);
|
|
| 210 | + $value = $this->skipToInTag ("'");
|
|
| 211 | + $this->skipMaxInTag ("'", 1);
|
|
| 212 | + } |
|
| 213 | + else {
|
|
| 214 | + $value = $this->skipToBlanksInTag(); |
|
| 215 | + } |
|
| 216 | + return $value; |
|
| 217 | + } |
|
| 218 | 218 | |
| 219 | - function setTextIndex ($index) {
|
|
| 220 | - $this->iHtmlTextIndex = $index; |
|
| 221 | - if ($index >= $this->iHtmlTextLength) {
|
|
| 222 | - $this->iCurrentChar = -1; |
|
| 223 | - } |
|
| 224 | - else {
|
|
| 225 | - $this->iCurrentChar = $this->iHtmlText{$index};
|
|
| 226 | - } |
|
| 227 | - } |
|
| 219 | + function setTextIndex ($index) {
|
|
| 220 | + $this->iHtmlTextIndex = $index; |
|
| 221 | + if ($index >= $this->iHtmlTextLength) {
|
|
| 222 | + $this->iCurrentChar = -1; |
|
| 223 | + } |
|
| 224 | + else {
|
|
| 225 | + $this->iCurrentChar = $this->iHtmlText{$index};
|
|
| 226 | + } |
|
| 227 | + } |
|
| 228 | 228 | |
| 229 | - function moveNext() {
|
|
| 230 | - if ($this->iHtmlTextIndex < $this->iHtmlTextLength) {
|
|
| 231 | - $this->setTextIndex ($this->iHtmlTextIndex + 1); |
|
| 232 | - return true; |
|
| 233 | - } |
|
| 234 | - else {
|
|
| 235 | - return false; |
|
| 236 | - } |
|
| 237 | - } |
|
| 229 | + function moveNext() {
|
|
| 230 | + if ($this->iHtmlTextIndex < $this->iHtmlTextLength) {
|
|
| 231 | + $this->setTextIndex ($this->iHtmlTextIndex + 1); |
|
| 232 | + return true; |
|
| 233 | + } |
|
| 234 | + else {
|
|
| 235 | + return false; |
|
| 236 | + } |
|
| 237 | + } |
|
| 238 | 238 | |
| 239 | - function skipEndOfTag() {
|
|
| 240 | - while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 241 | - if ($ch == ">") {
|
|
| 242 | - $this->moveNext(); |
|
| 243 | - return; |
|
| 244 | - } |
|
| 245 | - $this->moveNext(); |
|
| 246 | - } |
|
| 247 | - } |
|
| 239 | + function skipEndOfTag() {
|
|
| 240 | + while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 241 | + if ($ch == ">") {
|
|
| 242 | + $this->moveNext(); |
|
| 243 | + return; |
|
| 244 | + } |
|
| 245 | + $this->moveNext(); |
|
| 246 | + } |
|
| 247 | + } |
|
| 248 | 248 | |
| 249 | - function skipInTag ($chars) {
|
|
| 250 | - $sb = ""; |
|
| 251 | - while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 252 | - if ($ch == ">") {
|
|
| 253 | - return $sb; |
|
| 254 | - } else {
|
|
| 255 | - $match = false; |
|
| 256 | - for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 257 | - if ($ch == $chars[$idx]) {
|
|
| 258 | - $match = true; |
|
| 259 | - break; |
|
| 260 | - } |
|
| 261 | - } |
|
| 262 | - if (!$match) {
|
|
| 263 | - return $sb; |
|
| 264 | - } |
|
| 265 | - $sb .= $ch; |
|
| 266 | - $this->moveNext(); |
|
| 267 | - } |
|
| 268 | - } |
|
| 269 | - return $sb; |
|
| 270 | - } |
|
| 249 | + function skipInTag ($chars) {
|
|
| 250 | + $sb = ""; |
|
| 251 | + while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 252 | + if ($ch == ">") {
|
|
| 253 | + return $sb; |
|
| 254 | + } else {
|
|
| 255 | + $match = false; |
|
| 256 | + for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 257 | + if ($ch == $chars[$idx]) {
|
|
| 258 | + $match = true; |
|
| 259 | + break; |
|
| 260 | + } |
|
| 261 | + } |
|
| 262 | + if (!$match) {
|
|
| 263 | + return $sb; |
|
| 264 | + } |
|
| 265 | + $sb .= $ch; |
|
| 266 | + $this->moveNext(); |
|
| 267 | + } |
|
| 268 | + } |
|
| 269 | + return $sb; |
|
| 270 | + } |
|
| 271 | 271 | |
| 272 | - function skipMaxInTag ($chars, $maxChars) {
|
|
| 273 | - $sb = ""; |
|
| 274 | - $count = 0; |
|
| 275 | - while (($ch = $this->iCurrentChar) !== -1 && $count++ < $maxChars) {
|
|
| 276 | - if ($ch == ">") {
|
|
| 277 | - return $sb; |
|
| 278 | - } else {
|
|
| 279 | - $match = false; |
|
| 280 | - for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 281 | - if ($ch == $chars[$idx]) {
|
|
| 282 | - $match = true; |
|
| 283 | - break; |
|
| 284 | - } |
|
| 285 | - } |
|
| 286 | - if (!$match) {
|
|
| 287 | - return $sb; |
|
| 288 | - } |
|
| 289 | - $sb .= $ch; |
|
| 290 | - $this->moveNext(); |
|
| 291 | - } |
|
| 292 | - } |
|
| 293 | - return $sb; |
|
| 294 | - } |
|
| 272 | + function skipMaxInTag ($chars, $maxChars) {
|
|
| 273 | + $sb = ""; |
|
| 274 | + $count = 0; |
|
| 275 | + while (($ch = $this->iCurrentChar) !== -1 && $count++ < $maxChars) {
|
|
| 276 | + if ($ch == ">") {
|
|
| 277 | + return $sb; |
|
| 278 | + } else {
|
|
| 279 | + $match = false; |
|
| 280 | + for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 281 | + if ($ch == $chars[$idx]) {
|
|
| 282 | + $match = true; |
|
| 283 | + break; |
|
| 284 | + } |
|
| 285 | + } |
|
| 286 | + if (!$match) {
|
|
| 287 | + return $sb; |
|
| 288 | + } |
|
| 289 | + $sb .= $ch; |
|
| 290 | + $this->moveNext(); |
|
| 291 | + } |
|
| 292 | + } |
|
| 293 | + return $sb; |
|
| 294 | + } |
|
| 295 | 295 | |
| 296 | - function skipToInTag ($chars) {
|
|
| 297 | - $sb = ""; |
|
| 298 | - while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 299 | - $match = $ch == ">"; |
|
| 300 | - if (!$match) {
|
|
| 301 | - for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 302 | - if ($ch == $chars[$idx]) {
|
|
| 303 | - $match = true; |
|
| 304 | - break; |
|
| 305 | - } |
|
| 306 | - } |
|
| 307 | - } |
|
| 308 | - if ($match) {
|
|
| 309 | - return $sb; |
|
| 310 | - } |
|
| 311 | - $sb .= $ch; |
|
| 312 | - $this->moveNext(); |
|
| 313 | - } |
|
| 314 | - return $sb; |
|
| 315 | - } |
|
| 296 | + function skipToInTag ($chars) {
|
|
| 297 | + $sb = ""; |
|
| 298 | + while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 299 | + $match = $ch == ">"; |
|
| 300 | + if (!$match) {
|
|
| 301 | + for ($idx = 0; $idx < count($chars); $idx++) {
|
|
| 302 | + if ($ch == $chars[$idx]) {
|
|
| 303 | + $match = true; |
|
| 304 | + break; |
|
| 305 | + } |
|
| 306 | + } |
|
| 307 | + } |
|
| 308 | + if ($match) {
|
|
| 309 | + return $sb; |
|
| 310 | + } |
|
| 311 | + $sb .= $ch; |
|
| 312 | + $this->moveNext(); |
|
| 313 | + } |
|
| 314 | + return $sb; |
|
| 315 | + } |
|
| 316 | 316 | |
| 317 | - function skipToElement() {
|
|
| 318 | - $sb = ""; |
|
| 319 | - while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 320 | - if ($ch == "<") {
|
|
| 321 | - return $sb; |
|
| 322 | - } |
|
| 323 | - $sb .= $ch; |
|
| 324 | - $this->moveNext(); |
|
| 325 | - } |
|
| 326 | - return $sb; |
|
| 327 | - } |
|
| 317 | + function skipToElement() {
|
|
| 318 | + $sb = ""; |
|
| 319 | + while (($ch = $this->iCurrentChar) !== -1) {
|
|
| 320 | + if ($ch == "<") {
|
|
| 321 | + return $sb; |
|
| 322 | + } |
|
| 323 | + $sb .= $ch; |
|
| 324 | + $this->moveNext(); |
|
| 325 | + } |
|
| 326 | + return $sb; |
|
| 327 | + } |
|
| 328 | 328 | |
| 329 | - /** |
|
| 330 | - * Returns text between current position and $needle, |
|
| 331 | - * inclusive, or "" if not found. The current index is moved to a point |
|
| 332 | - * after the location of $needle, or not moved at all |
|
| 333 | - * if nothing is found. |
|
| 334 | - */ |
|
| 335 | - function skipToStringInTag ($needle) {
|
|
| 336 | - $pos = strpos ($this->iHtmlText, $needle, $this->iHtmlTextIndex); |
|
| 337 | - if ($pos === false) {
|
|
| 338 | - return ""; |
|
| 339 | - } |
|
| 340 | - $top = $pos + strlen($needle); |
|
| 341 | - $retvalue = substr ($this->iHtmlText, $this->iHtmlTextIndex, $top - $this->iHtmlTextIndex); |
|
| 342 | - $this->setTextIndex ($top); |
|
| 343 | - return $retvalue; |
|
| 344 | - } |
|
| 329 | + /** |
|
| 330 | + * Returns text between current position and $needle, |
|
| 331 | + * inclusive, or "" if not found. The current index is moved to a point |
|
| 332 | + * after the location of $needle, or not moved at all |
|
| 333 | + * if nothing is found. |
|
| 334 | + */ |
|
| 335 | + function skipToStringInTag ($needle) {
|
|
| 336 | + $pos = strpos ($this->iHtmlText, $needle, $this->iHtmlTextIndex); |
|
| 337 | + if ($pos === false) {
|
|
| 338 | + return ""; |
|
| 339 | + } |
|
| 340 | + $top = $pos + strlen($needle); |
|
| 341 | + $retvalue = substr ($this->iHtmlText, $this->iHtmlTextIndex, $top - $this->iHtmlTextIndex); |
|
| 342 | + $this->setTextIndex ($top); |
|
| 343 | + return $retvalue; |
|
| 344 | + } |
|
| 345 | 345 | } |
| 346 | 346 | |
| 347 | 347 | function HtmlParser_ForFile ($fileName) {
|
| 348 | - return HtmlParser_ForURL($fileName); |
|
| 348 | + return HtmlParser_ForURL($fileName); |
|
| 349 | 349 | } |
| 350 | 350 | |
| 351 | 351 | function HtmlParser_ForURL ($url) {
|
| 352 | - $fp = fopen ($url, "r"); |
|
| 353 | - $content = ""; |
|
| 354 | - while (true) {
|
|
| 355 | - $data = fread ($fp, 8192); |
|
| 356 | - if (strlen($data) == 0) {
|
|
| 357 | - break; |
|
| 358 | - } |
|
| 359 | - $content .= $data; |
|
| 360 | - } |
|
| 361 | - fclose ($fp); |
|
| 362 | - return new HtmlParser ($content); |
|
| 352 | + $fp = fopen ($url, "r"); |
|
| 353 | + $content = ""; |
|
| 354 | + while (true) {
|
|
| 355 | + $data = fread ($fp, 8192); |
|
| 356 | + if (strlen($data) == 0) {
|
|
| 357 | + break; |
|
| 358 | + } |
|
| 359 | + $content .= $data; |
|
| 360 | + } |
|
| 361 | + fclose ($fp); |
|
| 362 | + return new HtmlParser ($content); |
|
| 363 | 363 | } |
| 364 | 364 | |
| 365 | 365 | php?> |
@@ -10,12 +10,12 @@ discard block |
||
| 10 | 10 | * - Leo West (performance improvements) |
| 11 | 11 | */ |
| 12 | 12 | |
| 13 | -define ("NODE_TYPE_START",0);
|
|
| 14 | -define ("NODE_TYPE_ELEMENT",1);
|
|
| 15 | -define ("NODE_TYPE_ENDELEMENT",2);
|
|
| 16 | -define ("NODE_TYPE_TEXT",3);
|
|
| 17 | -define ("NODE_TYPE_COMMENT",4);
|
|
| 18 | -define ("NODE_TYPE_DONE",5);
|
|
| 13 | +define("NODE_TYPE_START", 0);
|
|
| 14 | +define("NODE_TYPE_ELEMENT", 1);
|
|
| 15 | +define("NODE_TYPE_ENDELEMENT", 2);
|
|
| 16 | +define("NODE_TYPE_TEXT", 3);
|
|
| 17 | +define("NODE_TYPE_COMMENT", 4);
|
|
| 18 | +define("NODE_TYPE_DONE", 5);
|
|
| 19 | 19 | |
| 20 | 20 | /** |
| 21 | 21 | * Class HtmlParser. |
@@ -71,15 +71,15 @@ discard block |
||
| 71 | 71 | * Constructs an HtmlParser instance with |
| 72 | 72 | * the HTML text given. |
| 73 | 73 | */ |
| 74 | - function HtmlParser ($aHtmlText) {
|
|
| 74 | + function HtmlParser($aHtmlText) {
|
|
| 75 | 75 | $this->iHtmlText = $aHtmlText; |
| 76 | 76 | $this->iHtmlTextLength = strlen($aHtmlText); |
| 77 | 77 | $this->iNodeAttributes = array(); |
| 78 | - $this->setTextIndex (0); |
|
| 78 | + $this->setTextIndex(0); |
|
| 79 | 79 | |
| 80 | - $this->BOE_ARRAY = array (" ", "\t", "\r", "\n", "=" );
|
|
| 81 | - $this->B_ARRAY = array (" ", "\t", "\r", "\n" );
|
|
| 82 | - $this->BOS_ARRAY = array (" ", "\t", "\r", "\n", "/" );
|
|
| 80 | + $this->BOE_ARRAY = array(" ", "\t", "\r", "\n", "=");
|
|
| 81 | + $this->B_ARRAY = array(" ", "\t", "\r", "\n");
|
|
| 82 | + $this->BOS_ARRAY = array(" ", "\t", "\r", "\n", "/");
|
|
| 83 | 83 | } |
| 84 | 84 | |
| 85 | 85 | /** |
@@ -109,7 +109,7 @@ discard block |
||
| 109 | 109 | return false; |
| 110 | 110 | } |
| 111 | 111 | $this->clearAttributes(); |
| 112 | - $this->skipMaxInTag ("<", 1);
|
|
| 112 | + $this->skipMaxInTag("<", 1);
|
|
| 113 | 113 | if ($this->iCurrentChar == '/') {
|
| 114 | 114 | $this->moveNext(); |
| 115 | 115 | $name = $this->skipToBlanksInTag(); |
@@ -120,22 +120,22 @@ discard block |
||
| 120 | 120 | return true; |
| 121 | 121 | } |
| 122 | 122 | $name = $this->skipToBlanksOrSlashInTag(); |
| 123 | - if (!$this->isValidTagIdentifier ($name)) {
|
|
| 123 | + if (!$this->isValidTagIdentifier($name)) {
|
|
| 124 | 124 | $comment = false; |
| 125 | 125 | if (strpos($name, "!--") === 0) {
|
| 126 | 126 | $ppos = strpos($name, "--", 3); |
| 127 | 127 | if (strpos($name, "--", 3) === (strlen($name) - 2)) {
|
| 128 | 128 | $this->iNodeType = NODE_TYPE_COMMENT; |
| 129 | 129 | $this->iNodeName = "Comment"; |
| 130 | - $this->iNodeValue = "<" . $name . ">"; |
|
| 130 | + $this->iNodeValue = "<".$name.">"; |
|
| 131 | 131 | $comment = true; |
| 132 | 132 | } |
| 133 | 133 | else {
|
| 134 | - $rest = $this->skipToStringInTag ("-->");
|
|
| 134 | + $rest = $this->skipToStringInTag("-->");
|
|
| 135 | 135 | if ($rest != "") {
|
| 136 | 136 | $this->iNodeType = NODE_TYPE_COMMENT; |
| 137 | 137 | $this->iNodeName = "Comment"; |
| 138 | - $this->iNodeValue = "<" . $name . $rest; |
|
| 138 | + $this->iNodeValue = "<".$name.$rest; |
|
| 139 | 139 | $comment = true; |
| 140 | 140 | // Already skipped end of tag |
| 141 | 141 | return true; |
@@ -145,7 +145,7 @@ discard block |
||
| 145 | 145 | if (!$comment) {
|
| 146 | 146 | $this->iNodeType = NODE_TYPE_TEXT; |
| 147 | 147 | $this->iNodeName = "Text"; |
| 148 | - $this->iNodeValue = "<" . $name; |
|
| 148 | + $this->iNodeValue = "<".$name; |
|
| 149 | 149 | return true; |
| 150 | 150 | } |
| 151 | 151 | } |
@@ -173,42 +173,42 @@ discard block |
||
| 173 | 173 | return true; |
| 174 | 174 | } |
| 175 | 175 | |
| 176 | - function isValidTagIdentifier ($name) {
|
|
| 177 | - return preg_match ("/^[A-Za-z0-9_\\-]+$/", $name);
|
|
| 176 | + function isValidTagIdentifier($name) {
|
|
| 177 | + return preg_match("/^[A-Za-z0-9_\\-]+$/", $name);
|
|
| 178 | 178 | } |
| 179 | 179 | |
| 180 | 180 | function skipBlanksInTag() {
|
| 181 | - return "" != ($this->skipInTag ($this->B_ARRAY)); |
|
| 181 | + return "" != ($this->skipInTag($this->B_ARRAY)); |
|
| 182 | 182 | } |
| 183 | 183 | |
| 184 | 184 | function skipToBlanksOrEqualsInTag() {
|
| 185 | - return $this->skipToInTag ($this->BOE_ARRAY); |
|
| 185 | + return $this->skipToInTag($this->BOE_ARRAY); |
|
| 186 | 186 | } |
| 187 | 187 | |
| 188 | 188 | function skipToBlanksInTag() {
|
| 189 | - return $this->skipToInTag ($this->B_ARRAY); |
|
| 189 | + return $this->skipToInTag($this->B_ARRAY); |
|
| 190 | 190 | } |
| 191 | 191 | |
| 192 | 192 | function skipToBlanksOrSlashInTag() {
|
| 193 | - return $this->skipToInTag ($this->BOS_ARRAY); |
|
| 193 | + return $this->skipToInTag($this->BOS_ARRAY); |
|
| 194 | 194 | } |
| 195 | 195 | |
| 196 | 196 | function skipEqualsInTag() {
|
| 197 | - return $this->skipMaxInTag ("=", 1);
|
|
| 197 | + return $this->skipMaxInTag("=", 1);
|
|
| 198 | 198 | } |
| 199 | 199 | |
| 200 | 200 | function readValueInTag() {
|
| 201 | 201 | $ch = $this->iCurrentChar; |
| 202 | 202 | $value = ""; |
| 203 | 203 | if ($ch == "\"") {
|
| 204 | - $this->skipMaxInTag ("\"", 1);
|
|
| 205 | - $value = $this->skipToInTag ("\"");
|
|
| 206 | - $this->skipMaxInTag ("\"", 1);
|
|
| 204 | + $this->skipMaxInTag("\"", 1);
|
|
| 205 | + $value = $this->skipToInTag("\"");
|
|
| 206 | + $this->skipMaxInTag("\"", 1);
|
|
| 207 | 207 | } |
| 208 | 208 | else if ($ch == "'") {
|
| 209 | - $this->skipMaxInTag ("'", 1);
|
|
| 210 | - $value = $this->skipToInTag ("'");
|
|
| 211 | - $this->skipMaxInTag ("'", 1);
|
|
| 209 | + $this->skipMaxInTag("'", 1);
|
|
| 210 | + $value = $this->skipToInTag("'");
|
|
| 211 | + $this->skipMaxInTag("'", 1);
|
|
| 212 | 212 | } |
| 213 | 213 | else {
|
| 214 | 214 | $value = $this->skipToBlanksInTag(); |
@@ -216,7 +216,7 @@ discard block |
||
| 216 | 216 | return $value; |
| 217 | 217 | } |
| 218 | 218 | |
| 219 | - function setTextIndex ($index) {
|
|
| 219 | + function setTextIndex($index) {
|
|
| 220 | 220 | $this->iHtmlTextIndex = $index; |
| 221 | 221 | if ($index >= $this->iHtmlTextLength) {
|
| 222 | 222 | $this->iCurrentChar = -1; |
@@ -228,7 +228,7 @@ discard block |
||
| 228 | 228 | |
| 229 | 229 | function moveNext() {
|
| 230 | 230 | if ($this->iHtmlTextIndex < $this->iHtmlTextLength) {
|
| 231 | - $this->setTextIndex ($this->iHtmlTextIndex + 1); |
|
| 231 | + $this->setTextIndex($this->iHtmlTextIndex + 1); |
|
| 232 | 232 | return true; |
| 233 | 233 | } |
| 234 | 234 | else {
|
@@ -246,7 +246,7 @@ discard block |
||
| 246 | 246 | } |
| 247 | 247 | } |
| 248 | 248 | |
| 249 | - function skipInTag ($chars) {
|
|
| 249 | + function skipInTag($chars) {
|
|
| 250 | 250 | $sb = ""; |
| 251 | 251 | while (($ch = $this->iCurrentChar) !== -1) {
|
| 252 | 252 | if ($ch == ">") {
|
@@ -269,7 +269,7 @@ discard block |
||
| 269 | 269 | return $sb; |
| 270 | 270 | } |
| 271 | 271 | |
| 272 | - function skipMaxInTag ($chars, $maxChars) {
|
|
| 272 | + function skipMaxInTag($chars, $maxChars) {
|
|
| 273 | 273 | $sb = ""; |
| 274 | 274 | $count = 0; |
| 275 | 275 | while (($ch = $this->iCurrentChar) !== -1 && $count++ < $maxChars) {
|
@@ -293,7 +293,7 @@ discard block |
||
| 293 | 293 | return $sb; |
| 294 | 294 | } |
| 295 | 295 | |
| 296 | - function skipToInTag ($chars) {
|
|
| 296 | + function skipToInTag($chars) {
|
|
| 297 | 297 | $sb = ""; |
| 298 | 298 | while (($ch = $this->iCurrentChar) !== -1) {
|
| 299 | 299 | $match = $ch == ">"; |
@@ -332,34 +332,34 @@ discard block |
||
| 332 | 332 | * after the location of $needle, or not moved at all |
| 333 | 333 | * if nothing is found. |
| 334 | 334 | */ |
| 335 | - function skipToStringInTag ($needle) {
|
|
| 336 | - $pos = strpos ($this->iHtmlText, $needle, $this->iHtmlTextIndex); |
|
| 335 | + function skipToStringInTag($needle) {
|
|
| 336 | + $pos = strpos($this->iHtmlText, $needle, $this->iHtmlTextIndex); |
|
| 337 | 337 | if ($pos === false) {
|
| 338 | 338 | return ""; |
| 339 | 339 | } |
| 340 | 340 | $top = $pos + strlen($needle); |
| 341 | - $retvalue = substr ($this->iHtmlText, $this->iHtmlTextIndex, $top - $this->iHtmlTextIndex); |
|
| 342 | - $this->setTextIndex ($top); |
|
| 341 | + $retvalue = substr($this->iHtmlText, $this->iHtmlTextIndex, $top - $this->iHtmlTextIndex); |
|
| 342 | + $this->setTextIndex($top); |
|
| 343 | 343 | return $retvalue; |
| 344 | 344 | } |
| 345 | 345 | } |
| 346 | 346 | |
| 347 | -function HtmlParser_ForFile ($fileName) {
|
|
| 347 | +function HtmlParser_ForFile($fileName) {
|
|
| 348 | 348 | return HtmlParser_ForURL($fileName); |
| 349 | 349 | } |
| 350 | 350 | |
| 351 | -function HtmlParser_ForURL ($url) {
|
|
| 352 | - $fp = fopen ($url, "r"); |
|
| 351 | +function HtmlParser_ForURL($url) {
|
|
| 352 | + $fp = fopen($url, "r"); |
|
| 353 | 353 | $content = ""; |
| 354 | 354 | while (true) {
|
| 355 | - $data = fread ($fp, 8192); |
|
| 355 | + $data = fread($fp, 8192); |
|
| 356 | 356 | if (strlen($data) == 0) {
|
| 357 | 357 | break; |
| 358 | 358 | } |
| 359 | 359 | $content .= $data; |
| 360 | 360 | } |
| 361 | - fclose ($fp); |
|
| 362 | - return new HtmlParser ($content); |
|
| 361 | + fclose($fp); |
|
| 362 | + return new HtmlParser($content); |
|
| 363 | 363 | } |
| 364 | 364 | |
| 365 | 365 | php?> |
