mirror of https://github.com/kiwix/libkiwix.git
+ getMetatag*(
This commit is contained in:
kelson42
parent
3555e4f918
commit
5891b91433
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@ -45,181 +45,187 @@ namespace kiwix {
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this->currentArticleOffset = this->firstArticleOffset;
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}
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/* Get the count of articles which can be indexed/displayed */
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unsigned int Reader::getArticleCount() {
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return this->articleCount;
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}
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/* Get the count of articles which can be indexed/displayed */
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unsigned int Reader::getArticleCount() {
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return this->articleCount;
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}
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/* Return the UID of the ZIM file */
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string Reader::getId() {
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std::ostringstream s;
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s << this->zimFileHandler->getFileheader().getUuid();
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return s.str();
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}
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/* Return the UID of the ZIM file */
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string Reader::getId() {
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std::ostringstream s;
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s << this->zimFileHandler->getFileheader().getUuid();
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return s.str();
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}
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/* Return a random article URL */
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string Reader::getRandomPageUrl() {
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/* Return a random article URL */
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string Reader::getRandomPageUrl() {
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zim::size_type idx = this->firstArticleOffset +
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(zim::size_type)((double)rand() / ((double)RAND_MAX + 1) * this->articleCount);
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zim::Article article = zimFileHandler->getArticle(idx);
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return article.getLongUrl().c_str();
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}
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}
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/* Return the welcome page URL */
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string Reader::getMainPageUrl() {
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string url = "";
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/* Return the welcome page URL */
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string Reader::getMainPageUrl() {
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string url = "";
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if (this->zimFileHandler->getFileheader().hasMainPage()) {
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zim::Article article = zimFileHandler->getArticle(this->zimFileHandler->getFileheader().getMainPage());
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url = article.getLongUrl();
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}
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return url;
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}
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/* Return the first page URL */
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string Reader::getFirstPageUrl() {
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string url = "";
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zim::size_type firstPageOffset = zimFileHandler->getNamespaceBeginOffset('A');
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zim::Article article = zimFileHandler->getArticle(firstPageOffset);
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url = article.getLongUrl();
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return url;
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}
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/* Get a content from a zim file */
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bool Reader::getContentByUrl(const string &urlStr, string &content, unsigned int &contentLength, string &contentType) {
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bool retVal = false;
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const char *url = urlStr.c_str();
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/* Offset to visit the url */
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unsigned int urlLength = strlen(url);
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unsigned int offset = 0;
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/* Ignore the '/' */
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while((offset < urlLength) && (url[offset] == '/')) offset++;
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/* Get namespace */
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char ns[1024];
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unsigned int nsOffset = 0;
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while((offset < urlLength) && (url[offset] != '/')) {
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ns[nsOffset] = url[offset];
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offset++;
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nsOffset++;
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}
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ns[nsOffset] = 0;
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/* Ignore the '/' */
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while((offset < urlLength) && (url[offset] == '/')) offset++;
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/* Get content title */
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char title[1024];
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unsigned int titleOffset = 0;
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while((offset < urlLength) && (url[offset] != '/')) {
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title[titleOffset] = url[offset];
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offset++;
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titleOffset++;
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}
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title[titleOffset] = 0;
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/* unescape url */
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string titleStr = string(title);
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unescapeUrl(titleStr);
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/* Main page */
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if (titleStr == "" && strcmp(ns, "") == 0) {
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if (zimFileHandler->getFileheader().hasMainPage()) {
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zim::Article article = zimFileHandler->getArticle(zimFileHandler->getFileheader().getMainPage());
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ns[0] = article.getNamespace();
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titleStr = article.getUrl();
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}
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}
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/* Extract the content from the zim file */
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std::pair<bool, zim::File::const_iterator> resultPair = zimFileHandler->findx(ns[0], titleStr);
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/* Test if the article was found */
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if (resultPair.first == true) {
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/* Get the article */
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zim::Article article = zimFileHandler->getArticle(resultPair.second.getIndex());
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/* If redirect */
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unsigned int loopCounter = 0;
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while (article.isRedirect() && loopCounter++<42) {
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article = article.getRedirectArticle();
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}
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/* Get the content mime-type */
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contentType = string(article.getMimeType().data(), article.getMimeType().size());
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/* Get the data */
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content = string(article.getData().data(), article.getArticleSize());
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/* Get the data length */
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contentLength = article.getArticleSize();
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/* Set return value */
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retVal = true;
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} else {
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/* The found article is not the good one */
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content="";
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contentType="";
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contentLength = 0;
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retVal = false;
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}
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return retVal;
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}
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/* Search titles by prefix*/
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bool Reader::searchSuggestions(const string &prefix, unsigned int suggestionsCount) {
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bool retVal = true;
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/* Reset the suggestions */
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this->suggestions.clear();
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if (prefix.size()) {
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cout << prefix << endl;
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for (zim::File::const_iterator it = zimFileHandler->findByTitle('A', prefix);
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it != zimFileHandler->end() && it->getTitle().compare(0, prefix.size(), prefix) == 0
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&& this->suggestions.size() < suggestionsCount ; ++it) {
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this->suggestions.push_back(it->getTitle());
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cout << " " << it->getTitle() << endl;
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if (this->zimFileHandler->getFileheader().hasMainPage()) {
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zim::Article article = zimFileHandler->getArticle(this->zimFileHandler->getFileheader().getMainPage());
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url = article.getLongUrl();
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}
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} else {
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retVal = false;
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return url;
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}
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/* Set the cursor to the begining */
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this->suggestionsOffset = this->suggestions.begin();
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/* Return a metatag value */
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bool Reader::getMetatag(const string &name, string &value) {
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unsigned int contentLength = 0;
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string contentType = "";
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return retVal;
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}
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/* Get next suggestion */
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bool Reader::getNextSuggestion(string &title) {
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bool retVal = false;
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if (this->suggestionsOffset != this->suggestions.end()) {
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/* title */
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title = *(this->suggestionsOffset);
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/* increment the cursor for the next call */
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this->suggestionsOffset++;
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retVal = true;
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return this->getContentByUrl( "/M/" + name, value,
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contentLength, contentType);
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}
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return retVal;
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}
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/* Return the first page URL */
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string Reader::getFirstPageUrl() {
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string url = "";
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zim::size_type firstPageOffset = zimFileHandler->getNamespaceBeginOffset('A');
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zim::Article article = zimFileHandler->getArticle(firstPageOffset);
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url = article.getLongUrl();
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return url;
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}
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/* Get a content from a zim file */
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bool Reader::getContentByUrl(const string &urlStr, string &content, unsigned int &contentLength, string &contentType) {
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bool retVal = false;
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const char *url = urlStr.c_str();
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/* Offset to visit the url */
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unsigned int urlLength = strlen(url);
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unsigned int offset = 0;
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/* Ignore the '/' */
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while((offset < urlLength) && (url[offset] == '/')) offset++;
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/* Get namespace */
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char ns[1024];
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unsigned int nsOffset = 0;
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while((offset < urlLength) && (url[offset] != '/')) {
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ns[nsOffset] = url[offset];
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offset++;
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nsOffset++;
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}
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ns[nsOffset] = 0;
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/* Ignore the '/' */
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while((offset < urlLength) && (url[offset] == '/')) offset++;
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/* Get content title */
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char title[1024];
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unsigned int titleOffset = 0;
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while((offset < urlLength) && (url[offset] != '/')) {
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title[titleOffset] = url[offset];
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offset++;
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titleOffset++;
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}
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title[titleOffset] = 0;
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/* unescape url */
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string titleStr = string(title);
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unescapeUrl(titleStr);
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/* Main page */
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if (titleStr == "" && strcmp(ns, "") == 0) {
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if (zimFileHandler->getFileheader().hasMainPage()) {
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zim::Article article = zimFileHandler->getArticle(zimFileHandler->getFileheader().getMainPage());
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ns[0] = article.getNamespace();
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titleStr = article.getUrl();
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}
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}
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/* Extract the content from the zim file */
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std::pair<bool, zim::File::const_iterator> resultPair = zimFileHandler->findx(ns[0], titleStr);
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/* Test if the article was found */
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if (resultPair.first == true) {
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/* Get the article */
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zim::Article article = zimFileHandler->getArticle(resultPair.second.getIndex());
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/* If redirect */
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unsigned int loopCounter = 0;
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while (article.isRedirect() && loopCounter++<42) {
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article = article.getRedirectArticle();
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}
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/* Get the content mime-type */
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contentType = string(article.getMimeType().data(), article.getMimeType().size());
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/* Get the data */
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content = string(article.getData().data(), article.getArticleSize());
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/* Get the data length */
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contentLength = article.getArticleSize();
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/* Set return value */
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retVal = true;
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} else {
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/* The found article is not the good one */
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content="";
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contentType="";
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contentLength = 0;
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retVal = false;
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}
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return retVal;
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}
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/* Search titles by prefix*/
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bool Reader::searchSuggestions(const string &prefix, unsigned int suggestionsCount) {
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bool retVal = true;
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/* Reset the suggestions */
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this->suggestions.clear();
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if (prefix.size()) {
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cout << prefix << endl;
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for (zim::File::const_iterator it = zimFileHandler->findByTitle('A', prefix);
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it != zimFileHandler->end() && it->getTitle().compare(0, prefix.size(), prefix) == 0
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&& this->suggestions.size() < suggestionsCount ; ++it) {
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this->suggestions.push_back(it->getTitle());
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cout << " " << it->getTitle() << endl;
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}
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} else {
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retVal = false;
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}
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/* Set the cursor to the begining */
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this->suggestionsOffset = this->suggestions.begin();
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return retVal;
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}
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/* Get next suggestion */
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bool Reader::getNextSuggestion(string &title) {
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bool retVal = false;
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if (this->suggestionsOffset != this->suggestions.end()) {
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/* title */
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title = *(this->suggestionsOffset);
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/* increment the cursor for the next call */
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this->suggestionsOffset++;
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retVal = true;
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}
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return retVal;
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}
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}
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@ -24,6 +24,7 @@ namespace kiwix {
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string getRandomPageUrl();
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string getFirstPageUrl();
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string getMainPageUrl();
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bool getMetatag(const string &url, string &content);
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bool getContentByUrl(const string &url, string &content, unsigned int &contentLength, string &contentType);
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bool searchSuggestions(const string &prefix, unsigned int suggestionsCount);
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bool getNextSuggestion(string &title);
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