mirror of https://github.com/kiwix/libkiwix.git
+ getMetatag*(
This commit is contained in:
kelson42
parent
3555e4f918
commit
5891b91433
|
|
@ -44,182 +44,188 @@ namespace kiwix {
|
|||
void Reader::reset() {
|
||||
this->currentArticleOffset = this->firstArticleOffset;
|
||||
}
|
||||
|
||||
/* Get the count of articles which can be indexed/displayed */
|
||||
unsigned int Reader::getArticleCount() {
|
||||
return this->articleCount;
|
||||
}
|
||||
|
||||
/* Return the UID of the ZIM file */
|
||||
string Reader::getId() {
|
||||
std::ostringstream s;
|
||||
s << this->zimFileHandler->getFileheader().getUuid();
|
||||
return s.str();
|
||||
}
|
||||
|
||||
/* Return a random article URL */
|
||||
string Reader::getRandomPageUrl() {
|
||||
|
||||
/* Get the count of articles which can be indexed/displayed */
|
||||
unsigned int Reader::getArticleCount() {
|
||||
return this->articleCount;
|
||||
}
|
||||
|
||||
/* Return the UID of the ZIM file */
|
||||
string Reader::getId() {
|
||||
std::ostringstream s;
|
||||
s << this->zimFileHandler->getFileheader().getUuid();
|
||||
return s.str();
|
||||
}
|
||||
|
||||
/* Return a random article URL */
|
||||
string Reader::getRandomPageUrl() {
|
||||
zim::size_type idx = this->firstArticleOffset +
|
||||
(zim::size_type)((double)rand() / ((double)RAND_MAX + 1) * this->articleCount);
|
||||
|
||||
zim::Article article = zimFileHandler->getArticle(idx);
|
||||
return article.getLongUrl().c_str();
|
||||
}
|
||||
|
||||
/* Return the welcome page URL */
|
||||
string Reader::getMainPageUrl() {
|
||||
string url = "";
|
||||
|
||||
if (this->zimFileHandler->getFileheader().hasMainPage()) {
|
||||
zim::Article article = zimFileHandler->getArticle(this->zimFileHandler->getFileheader().getMainPage());
|
||||
url = article.getLongUrl();
|
||||
}
|
||||
|
||||
return url;
|
||||
|
||||
}
|
||||
|
||||
/* Return the first page URL */
|
||||
string Reader::getFirstPageUrl() {
|
||||
string url = "";
|
||||
|
||||
zim::size_type firstPageOffset = zimFileHandler->getNamespaceBeginOffset('A');
|
||||
zim::Article article = zimFileHandler->getArticle(firstPageOffset);
|
||||
url = article.getLongUrl();
|
||||
|
||||
return url;
|
||||
}
|
||||
|
||||
/* Get a content from a zim file */
|
||||
bool Reader::getContentByUrl(const string &urlStr, string &content, unsigned int &contentLength, string &contentType) {
|
||||
bool retVal = false;
|
||||
const char *url = urlStr.c_str();
|
||||
|
||||
/* Offset to visit the url */
|
||||
unsigned int urlLength = strlen(url);
|
||||
unsigned int offset = 0;
|
||||
|
||||
/* Ignore the '/' */
|
||||
while((offset < urlLength) && (url[offset] == '/')) offset++;
|
||||
|
||||
/* Get namespace */
|
||||
char ns[1024];
|
||||
unsigned int nsOffset = 0;
|
||||
while((offset < urlLength) && (url[offset] != '/')) {
|
||||
ns[nsOffset] = url[offset];
|
||||
offset++;
|
||||
nsOffset++;
|
||||
}
|
||||
ns[nsOffset] = 0;
|
||||
|
||||
/* Ignore the '/' */
|
||||
while((offset < urlLength) && (url[offset] == '/')) offset++;
|
||||
|
||||
/* Get content title */
|
||||
char title[1024];
|
||||
unsigned int titleOffset = 0;
|
||||
while((offset < urlLength) && (url[offset] != '/')) {
|
||||
title[titleOffset] = url[offset];
|
||||
offset++;
|
||||
titleOffset++;
|
||||
}
|
||||
title[titleOffset] = 0;
|
||||
|
||||
/* unescape url */
|
||||
string titleStr = string(title);
|
||||
unescapeUrl(titleStr);
|
||||
|
||||
/* Main page */
|
||||
if (titleStr == "" && strcmp(ns, "") == 0) {
|
||||
if (zimFileHandler->getFileheader().hasMainPage()) {
|
||||
zim::Article article = zimFileHandler->getArticle(zimFileHandler->getFileheader().getMainPage());
|
||||
ns[0] = article.getNamespace();
|
||||
titleStr = article.getUrl();
|
||||
}
|
||||
}
|
||||
|
||||
/* Extract the content from the zim file */
|
||||
std::pair<bool, zim::File::const_iterator> resultPair = zimFileHandler->findx(ns[0], titleStr);
|
||||
|
||||
/* Test if the article was found */
|
||||
if (resultPair.first == true) {
|
||||
|
||||
/* Get the article */
|
||||
zim::Article article = zimFileHandler->getArticle(resultPair.second.getIndex());
|
||||
|
||||
/* If redirect */
|
||||
unsigned int loopCounter = 0;
|
||||
while (article.isRedirect() && loopCounter++<42) {
|
||||
article = article.getRedirectArticle();
|
||||
}
|
||||
|
||||
/* Get the content mime-type */
|
||||
contentType = string(article.getMimeType().data(), article.getMimeType().size());
|
||||
|
||||
/* Get the data */
|
||||
content = string(article.getData().data(), article.getArticleSize());
|
||||
|
||||
/* Get the data length */
|
||||
contentLength = article.getArticleSize();
|
||||
|
||||
/* Set return value */
|
||||
retVal = true;
|
||||
} else {
|
||||
/* The found article is not the good one */
|
||||
content="";
|
||||
contentType="";
|
||||
contentLength = 0;
|
||||
retVal = false;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/* Search titles by prefix*/
|
||||
bool Reader::searchSuggestions(const string &prefix, unsigned int suggestionsCount) {
|
||||
|
||||
bool retVal = true;
|
||||
|
||||
/* Reset the suggestions */
|
||||
this->suggestions.clear();
|
||||
|
||||
if (prefix.size()) {
|
||||
cout << prefix << endl;
|
||||
|
||||
for (zim::File::const_iterator it = zimFileHandler->findByTitle('A', prefix);
|
||||
it != zimFileHandler->end() && it->getTitle().compare(0, prefix.size(), prefix) == 0
|
||||
&& this->suggestions.size() < suggestionsCount ; ++it) {
|
||||
|
||||
this->suggestions.push_back(it->getTitle());
|
||||
|
||||
cout << " " << it->getTitle() << endl;
|
||||
}
|
||||
} else {
|
||||
retVal = false;
|
||||
}
|
||||
|
||||
/* Set the cursor to the begining */
|
||||
this->suggestionsOffset = this->suggestions.begin();
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/* Get next suggestion */
|
||||
bool Reader::getNextSuggestion(string &title) {
|
||||
bool retVal = false;
|
||||
|
||||
if (this->suggestionsOffset != this->suggestions.end()) {
|
||||
/* title */
|
||||
title = *(this->suggestionsOffset);
|
||||
|
||||
/* increment the cursor for the next call */
|
||||
this->suggestionsOffset++;
|
||||
|
||||
retVal = true;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
|
||||
/* Return the welcome page URL */
|
||||
string Reader::getMainPageUrl() {
|
||||
string url = "";
|
||||
|
||||
if (this->zimFileHandler->getFileheader().hasMainPage()) {
|
||||
zim::Article article = zimFileHandler->getArticle(this->zimFileHandler->getFileheader().getMainPage());
|
||||
url = article.getLongUrl();
|
||||
}
|
||||
|
||||
return url;
|
||||
}
|
||||
|
||||
/* Return a metatag value */
|
||||
bool Reader::getMetatag(const string &name, string &value) {
|
||||
unsigned int contentLength = 0;
|
||||
string contentType = "";
|
||||
|
||||
return this->getContentByUrl( "/M/" + name, value,
|
||||
contentLength, contentType);
|
||||
}
|
||||
|
||||
/* Return the first page URL */
|
||||
string Reader::getFirstPageUrl() {
|
||||
string url = "";
|
||||
|
||||
zim::size_type firstPageOffset = zimFileHandler->getNamespaceBeginOffset('A');
|
||||
zim::Article article = zimFileHandler->getArticle(firstPageOffset);
|
||||
url = article.getLongUrl();
|
||||
|
||||
return url;
|
||||
}
|
||||
|
||||
/* Get a content from a zim file */
|
||||
bool Reader::getContentByUrl(const string &urlStr, string &content, unsigned int &contentLength, string &contentType) {
|
||||
bool retVal = false;
|
||||
const char *url = urlStr.c_str();
|
||||
|
||||
/* Offset to visit the url */
|
||||
unsigned int urlLength = strlen(url);
|
||||
unsigned int offset = 0;
|
||||
|
||||
/* Ignore the '/' */
|
||||
while((offset < urlLength) && (url[offset] == '/')) offset++;
|
||||
|
||||
/* Get namespace */
|
||||
char ns[1024];
|
||||
unsigned int nsOffset = 0;
|
||||
while((offset < urlLength) && (url[offset] != '/')) {
|
||||
ns[nsOffset] = url[offset];
|
||||
offset++;
|
||||
nsOffset++;
|
||||
}
|
||||
ns[nsOffset] = 0;
|
||||
|
||||
/* Ignore the '/' */
|
||||
while((offset < urlLength) && (url[offset] == '/')) offset++;
|
||||
|
||||
/* Get content title */
|
||||
char title[1024];
|
||||
unsigned int titleOffset = 0;
|
||||
while((offset < urlLength) && (url[offset] != '/')) {
|
||||
title[titleOffset] = url[offset];
|
||||
offset++;
|
||||
titleOffset++;
|
||||
}
|
||||
title[titleOffset] = 0;
|
||||
|
||||
/* unescape url */
|
||||
string titleStr = string(title);
|
||||
unescapeUrl(titleStr);
|
||||
|
||||
/* Main page */
|
||||
if (titleStr == "" && strcmp(ns, "") == 0) {
|
||||
if (zimFileHandler->getFileheader().hasMainPage()) {
|
||||
zim::Article article = zimFileHandler->getArticle(zimFileHandler->getFileheader().getMainPage());
|
||||
ns[0] = article.getNamespace();
|
||||
titleStr = article.getUrl();
|
||||
}
|
||||
}
|
||||
|
||||
/* Extract the content from the zim file */
|
||||
std::pair<bool, zim::File::const_iterator> resultPair = zimFileHandler->findx(ns[0], titleStr);
|
||||
|
||||
/* Test if the article was found */
|
||||
if (resultPair.first == true) {
|
||||
|
||||
/* Get the article */
|
||||
zim::Article article = zimFileHandler->getArticle(resultPair.second.getIndex());
|
||||
|
||||
/* If redirect */
|
||||
unsigned int loopCounter = 0;
|
||||
while (article.isRedirect() && loopCounter++<42) {
|
||||
article = article.getRedirectArticle();
|
||||
}
|
||||
|
||||
/* Get the content mime-type */
|
||||
contentType = string(article.getMimeType().data(), article.getMimeType().size());
|
||||
|
||||
/* Get the data */
|
||||
content = string(article.getData().data(), article.getArticleSize());
|
||||
|
||||
/* Get the data length */
|
||||
contentLength = article.getArticleSize();
|
||||
|
||||
/* Set return value */
|
||||
retVal = true;
|
||||
} else {
|
||||
/* The found article is not the good one */
|
||||
content="";
|
||||
contentType="";
|
||||
contentLength = 0;
|
||||
retVal = false;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/* Search titles by prefix*/
|
||||
bool Reader::searchSuggestions(const string &prefix, unsigned int suggestionsCount) {
|
||||
|
||||
bool retVal = true;
|
||||
|
||||
/* Reset the suggestions */
|
||||
this->suggestions.clear();
|
||||
|
||||
if (prefix.size()) {
|
||||
cout << prefix << endl;
|
||||
|
||||
for (zim::File::const_iterator it = zimFileHandler->findByTitle('A', prefix);
|
||||
it != zimFileHandler->end() && it->getTitle().compare(0, prefix.size(), prefix) == 0
|
||||
&& this->suggestions.size() < suggestionsCount ; ++it) {
|
||||
|
||||
this->suggestions.push_back(it->getTitle());
|
||||
|
||||
cout << " " << it->getTitle() << endl;
|
||||
}
|
||||
} else {
|
||||
retVal = false;
|
||||
}
|
||||
|
||||
/* Set the cursor to the begining */
|
||||
this->suggestionsOffset = this->suggestions.begin();
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/* Get next suggestion */
|
||||
bool Reader::getNextSuggestion(string &title) {
|
||||
bool retVal = false;
|
||||
|
||||
if (this->suggestionsOffset != this->suggestions.end()) {
|
||||
/* title */
|
||||
title = *(this->suggestionsOffset);
|
||||
|
||||
/* increment the cursor for the next call */
|
||||
this->suggestionsOffset++;
|
||||
|
||||
retVal = true;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -24,6 +24,7 @@ namespace kiwix {
|
|||
string getRandomPageUrl();
|
||||
string getFirstPageUrl();
|
||||
string getMainPageUrl();
|
||||
bool getMetatag(const string &url, string &content);
|
||||
bool getContentByUrl(const string &url, string &content, unsigned int &contentLength, string &contentType);
|
||||
bool searchSuggestions(const string &prefix, unsigned int suggestionsCount);
|
||||
bool getNextSuggestion(string &title);
|
||||
|
|
|
|||
Loading…
Reference in New Issue