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https://github.com/silverstripe/silverstripe-framework
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API-CHANGE: i18nTextCollector can now extract the new translatable entities (<%t) from templates and populate them in language tables (uses PEG parser)
This commit is contained in:
Julian Seidenberg
parent
f926242b77
commit
c314d0b659
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@ -195,70 +195,134 @@ class i18nTextCollector extends Object {
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}
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public function collectFromCode($content, $module) {
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$entities = array();
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$entitiesArr = array();
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$tokens = token_get_all("<?php\n" . $content);
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$inTransFn = false;
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$inConcat = false;
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$currentEntity = array();
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foreach($tokens as $token) {
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if(is_array($token)) {
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list($id, $text) = $token;
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if($id == T_STRING && $text == '_t') {
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// start definition
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$inTransFn = true;
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} elseif($inTransFn && $id == T_VARIABLE) {
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// Dynamic definition from provideEntities - skip
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$inTransFn = false;
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$inConcat = false;
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$currentEntity = array();
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} elseif($inTransFn && $id == T_CONSTANT_ENCAPSED_STRING) {
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// Fixed quoting escapes, and remove leading/trailing quotes
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if(preg_match('/^\'/', $text)) {
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$text = str_replace("\'", "'", $text);
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$text = preg_replace('/^\'/', '', $text);
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$text = preg_replace('/\'$/', '', $text);
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} else {
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$text = str_replace('\"', '"', $text);
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$text = preg_replace('/^"/', '', $text);
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$text = preg_replace('/"$/', '', $text);
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$newRegexRule = '/_t\s*\(\s*(.+?)\s*\)\s*;\s*/is';
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$matchesArray = array(); //array for the matches to go into
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if (preg_match_all($newRegexRule, $content, $matchesArray) > 0) { //we have at least one match
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//take all the matched _t entities
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foreach($matchesArray[1] as $match) {
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//replace all commas with backticks (unique character to explode on later)
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$replacedMatch = preg_replace('/("|\'|_LOW|_MEDIUM|_HIGH)\s*,\s*([\'"]|"|\'|array|PR)/','$1`$2',$match); //keep array text
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//$replacedMatch = trim($replacedMatch," \"'\n"); //remove starting and ending quotes
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$replacedMatch = trim($replacedMatch," \n"); //remove starting and ending spaces and newlines
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$parts = explode('`',$replacedMatch); //cut up the _t call
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$partsWOQuotes = array();
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foreach($parts as $part) {
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$part = trim($part,"\n"); //remove spaces and newlines from part
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$firstChar = substr($part,0,1);
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if ($firstChar == "'" || $firstChar == '"') {
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//remove wrapping quotes
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$part = substr($part,1,-1);
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//remove inner concatenation
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$part = preg_replace("/$firstChar\\s*\\.\\s*$firstChar/",'',$part);
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}
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if($inConcat) {
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$currentEntity[count($currentEntity)-1] .= $text;
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} else {
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$currentEntity[] = $text;
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}
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}
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} elseif($inTransFn && $token == '.') {
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$inConcat = true;
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} elseif($inTransFn && $token == ',') {
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$inConcat = false;
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} elseif($inTransFn && $token == ')') {
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// finalize definition
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$inTransFn = false;
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$inConcat = false;
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$entity = array_shift($currentEntity);
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$entities[$entity] = $currentEntity;
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$currentEntity = array();
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}
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}
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foreach($entities as $entity => $spec) {
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// call without master language definition
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if(!$spec) {
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unset($entities[$entity]);
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continue;
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}
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unset($entities[$entity]);
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$entities[$this->normalizeEntity($entity, $module)] = $spec;
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$partsWOQuotes[] = $part; //remove starting and ending quotes from inner parts
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}
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if ($parts && count($partsWOQuotes) > 0) {
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$entitiesArr = array_merge($entitiesArr, (array)$this->entitySpecFromNewParts($partsWOQuotes));
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}
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}
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}
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ksort($entities);
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return $entities;
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ksort($entitiesArr);
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return $entitiesArr;
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}
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/**
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* Test if one string starts with another
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*/
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protected function startsWith($haystack, $needle) {
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$length = strlen($needle);
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return (substr($haystack, 0, $length) === $needle);
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}
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/**
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* Converts a parts array from explode function into an array of entities for the i18n text collector
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* @return array
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*/
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protected function entitySpecFromNewParts($parts, $namespace = null) {
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// first thing in the parts array will always be the entity
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// split fullname into entity parts
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//set defaults
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$value = "";
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$prio = null;
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$comment = null;
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$entityParts = explode('.', $parts[0]);
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if(count($entityParts) > 1) {
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// templates don't have a custom namespace
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$entity = array_pop($entityParts);
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// namespace might contain dots, so we explode
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$namespace = implode('.',$entityParts);
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} else {
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$entity = array_pop($entityParts);
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$namespace = $namespace;
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}
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//find the array (if found, then we are dealing with the new _t syntax
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$newSyntax = false;
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$offset = 0;
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foreach($parts as $p) {
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if ($this->startsWith($p,'array')) { //remove everything after (and including) the array
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$newSyntax = true;
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$parts = array_splice($parts,0,$offset);
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break;
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}
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$offset++;
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}
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//2nd part of array is always "string"
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if (isset($parts[1])) $value = $parts[1];
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//3rd part can either be priority or context, if old or now syntax is used
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if (isset($parts[2])) {
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if ($newSyntax) {
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$prio = 40; //default priority
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$comment = $parts[2];
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} else {
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if (stripos($parts[2], 'PR_LOW') !== false ||
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stripos($parts[2], 'PR_MEDIUM') !== false ||
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stripos($parts[2], 'PR_HIGH') !== false) { //definitely old syntax
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$prio = $parts[2];
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} else { //default to new syntax (3rd position is comment/context
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$prio = 40; //default priority
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$comment = $parts[2];
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}
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}
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}
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//if 4th position is set then this is old syntax and it is the context
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//it would be array in the new syntax and therefore should have already been spliced off
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if (isset($parts[3])) {
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$comment = $parts[3];
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$prio = $parts[2]; //3rd position is now definitely priority
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}
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return array(
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"{$namespace}.{$entity}" => array(
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$value,
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$prio,
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$comment
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)
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);
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}
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public function collectFromTemplate($content, $fileName, $module) {
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$entities = array();
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@ -276,6 +340,11 @@ class i18nTextCollector extends Object {
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// @todo Will get massively confused if you include the includer -> infinite loop
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}
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// use parser to extract <%t style translatable entities
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$translatables = i18nTextCollector_Parser::GetTranslatables($content);
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$entities = array_merge($entities,(array)$translatables);
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// use the old method of getting _t() style translatable entities
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// Collect in actual template
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if(preg_match_all('/<%\s*(_t\(.*)%>/ms', $content, $matches)) {
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foreach($matches as $match) {
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@ -516,4 +585,49 @@ class i18nTextCollector_Writer_RailsYaml implements i18nTextCollector_Writer {
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// TODO Dumper can't handle YAML comments, so the context information is currently discarded
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return $yamlHandler->dump(array($locale => $entitiesNested), 99);
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}
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}
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/**
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* Parser that scans through a template and extracts the parameters to the _t and <%t calls
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*/
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class i18nTextCollector_Parser extends SSTemplateParser {
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static $entities = array();
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static $currentEntity = array();
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function Translate__construct(&$res) {
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self::$currentEntity = array(null,null,null); //start with empty array
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}
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function Translate_Entity(&$res, $sub) {
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self::$currentEntity[0] = $sub['text']; //entity
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}
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function Translate_Default(&$res, $sub) {
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self::$currentEntity[1] = $sub['String']['text']; //value
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}
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function Translate_Context(&$res, $sub) {
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self::$currentEntity[2] = $sub['String']['text']; //comment
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}
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function Translate__finalise(&$res) {
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// set the entity name and the value (default), as well as the context (comment)
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// priority is no longer used, so that is blank
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self::$entities[self::$currentEntity[0]] = array(self::$currentEntity[1],null,self::$currentEntity[2]);
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}
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/**
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* Parses a template and returns any translatable entities
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*/
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static function GetTranslatables($template) {
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self::$entities = array();
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// Run the parser and throw away the result
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$parser = new i18nTextCollector_Parser($template);
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if(substr($template, 0,3) == pack("CCC", 0xef, 0xbb, 0xbf)) $parser->pos = 3;
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$parser->match_TopTemplate();
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return self::$entities;
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}
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}
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@ -58,7 +58,7 @@ _t(
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_t(
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'Test.CONCATENATED2',
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"Line \"4\" and " .
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"Line "4" and " .
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"Line 5");
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PHP;
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$this->assertEquals(
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@ -68,7 +68,36 @@ PHP;
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'Test.CONCATENATED2' => array("Line \"4\" and Line 5")
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)
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);
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}
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}
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function testCollectFromNewTemplateSyntaxUsingParserSubclass() {
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$c = new i18nTextCollector();
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$html = <<<SS
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<% _t('Test.SINGLEQUOTE','Single Quote'); %>
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<%t i18nTestModule.NEWMETHODSIG "New _t method signature test" %>
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<%t i18nTestModule.INJECTIONS_0 "Hello {name} {greeting}. But it is late, {goodbye}" name="Mark" greeting="welcome" goodbye="bye" %>
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<%t i18nTestModule.INJECTIONS_1 "Hello {name} {greeting}. But it is late, {goodbye}" name="Paul" greeting="good you are here" goodbye="see you" %>
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<%t i18nTestModule.INJECTIONS_2 "Hello {name} {greeting}. But it is late, {goodbye}" is "New context (this should be ignored)" name="Steffen" greeting="willkommen" goodbye="wiedersehen" %>
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<%t i18nTestModule.INJECTIONS_3 name="Cat" greeting='meow' goodbye="meow" %>
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<%t i18nTestModule.INJECTIONS_4 name=\$absoluteBaseURL greeting=\$get_locale goodbye="global calls" %>
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SS;
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$c->collectFromTemplate($html, 'mymodule', 'Test');
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$this->assertEquals(
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$c->collectFromTemplate($html, 'mymodule', 'Test'),
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array(
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'Test.SINGLEQUOTE' => array('Single Quote',null,null),
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'i18nTestModule.NEWMETHODSIG' => array("New _t method signature test",null,null),
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'i18nTestModule.INJECTIONS_0' => array("Hello {name} {greeting}. But it is late, {goodbye}", null, null),
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'i18nTestModule.INJECTIONS_1' => array("Hello {name} {greeting}. But it is late, {goodbye}", null, null),
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'i18nTestModule.INJECTIONS_2' => array("Hello {name} {greeting}. But it is late, {goodbye}", null, "New context (this should be ignored)"),
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'i18nTestModule.INJECTIONS_3' => array(null, null, null),
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'i18nTestModule.INJECTIONS_4' => array(null, null, null),
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)
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);
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}
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function testCollectFromTemplateSimple() {
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$c = new i18nTextCollector();
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@ -282,6 +311,35 @@ PHP;
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);
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}
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/**
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* Test extracting entities from the new _t method signature
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*/
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function testCollectFromCodeNewSignature() {
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$c = new i18nTextCollector();
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$php = <<<PHP
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_t('i18nTestModule.NEWMETHODSIG',"New _t method signature test");
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_t('i18nTestModule.INJECTIONS1','_DOES_NOT_EXIST', "Hello {name} {greeting}. But it is late, {goodbye}", array("name"=>"Mark", "greeting"=>"welcome", "goodbye"=>"bye"));
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_t('i18nTestModule.INJECTIONS2', "Hello {name} {greeting}. But it is late, {goodbye}", array("name"=>"Paul", "greeting"=>"good you are here", "goodbye"=>"see you"));
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_t("i18nTestModule.INJECTIONS3", "Hello {name} {greeting}. But it is late, {goodbye}", "New context (this should be ignored)", array("name"=>"Steffen", "greeting"=>"willkommen", "goodbye"=>"wiedersehen"));
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_t('i18nTestModule.INJECTIONS4', array("name"=>"Cat", "greeting"=>"meow", "goodbye"=>"meow"));
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PHP;
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$collectedTranslatables = $c->collectFromCode($php, 'mymodule');
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$expectedArray = (array(
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'i18nTestModule.NEWMETHODSIG' => array("New _t method signature test", null, null),
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'i18nTestModule.INJECTIONS1' => array("_DOES_NOT_EXIST", 40, "Hello {name} {greeting}. But it is late, {goodbye}"),
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'i18nTestModule.INJECTIONS2' => array("Hello {name} {greeting}. But it is late, {goodbye}", null, null),
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'i18nTestModule.INJECTIONS3' => array("Hello {name} {greeting}. But it is late, {goodbye}", 40, "New context (this should be ignored)"),
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'i18nTestModule.INJECTIONS4' => array(null, null, null),
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));
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ksort($expectedArray);
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$this->assertEquals($collectedTranslatables, $expectedArray);
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}
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/**
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* Input for langArrayCodeForEntitySpec() should be suitable for insertion
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* into single-quoted strings, so needs to be escaped already.
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