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/**
* C++ class: textstyleformatter.cpp
*
* Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2005-2008
* Copyright: See COPYING file that comes with this distribution
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "textstyleformatter.h"
#include "bufferedoutput.h"
#include "preformatter.h"
#include "ctagsformatter.h"
#include "wordtokenizer.h"
#include <sstream>
using namespace std;
namespace srchilite {
TextStyleFormatter::TextStyleFormatter(const TextStyle &style, BufferedOutput *o) :
textstyle(style), output(o), preFormatter(0), ctagsFormatter(0) {
}
TextStyleFormatter::TextStyleFormatter(const string &repr, BufferedOutput *o) :
textstyle(TextStyle(repr)), output(o), preFormatter(0), ctagsFormatter(0) {
}
void TextStyleFormatter::format(const string &s, const FormatterParams *params) {
// first check whether the reference formatter can format the paragraph
if (!formatReferences(s, params))
doFormat(s); // otherwise we do it ourselves
}
void TextStyleFormatter::doFormat(const string &s, bool preformat) {
if (!s.size())
return;
if (preFormatter && preformat) {
output->output(textstyle.output(preFormatter->preformat(s)));
} else {
output->output(textstyle.output(s));
}
}
bool TextStyleFormatter::formatReferences(const string &s,
const FormatterParams *params) {
if (ctagsFormatter && params) {
// for each word in s try to format an anchor or reference
WordTokenizer::WordTokenizerResults tokens;
WordTokenizer::tokenize(s, tokens);
// here we buffer parts that are not references (or spaces)
ostringstream notReferences;
CTagsFormatterResults results;
for (WordTokenizer::WordTokenizerResults::const_iterator token =
tokens.begin(); token != tokens.end(); ++token) {
if (token->first.size()) { // a space
notReferences << token->first;
} else {
if (ctagsFormatter->formatCTags(token->second, results, params)) {
// first format the previous non reference parts if any
doFormat(notReferences.str());
notReferences.str("");
// then the anchors and references
if (results.inlineResult.size()) {
// don't preformat: it's already been done
doFormat(results.inlineResult, false);
} else {
// inline result excludes the other ones
output->postLineInsertFrom(results.postLineResult);
output->postDocInsertFrom(results.postDocResult);
// we still need to format this word, since otherwise
// it won't appear in the text of the program
doFormat(token->second);
}
// clear results for possible other formatting
results.clear();
} else {
notReferences << token->second;
}
}
}
// format possible buffered tokens
doFormat(notReferences.str());
return true;
}
return false;
}
}
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