// // C++ Interface: textstyle // // Description: // // // Author: Lorenzo Bettini , (C) 2005-2009 // // Copyright: See COPYING file that comes with this distribution // // #ifndef _TEXTSTYLE_H_ #define _TEXTSTYLE_H_ #include #include #include

namespace srchilite { #define STYLE_VAR_TEXT "$style" // the text of the style variable #define TEXT_VAR_TEXT "$text" // the text of the text variable #define STYLE_VAR "\\" STYLE_VAR_TEXT // the name of the style variable as regexp #define TEXT_VAR "\\" TEXT_VAR_TEXT // the name of the text variable as regexp /// map for substitutions typedef std::map SubstitutionMapping; /** * Represents a formatting template where there can be some * variables (starting with ,ドル e.g., $style, $text, etc.) that will be replaced * with specific elements, e.g., the actual style for the formatting, the * text to format, etc. */ class TextStyle { private: typedef std::vector StringVector; typedef std::vector IndexVector; typedef std::map SubstitutionIndexes; /// the regular expression to find variable occurrences boost::regex var_exp; std::string repr; /// contains all the string parts of this TextStyle. StringVector parts; /// contains the indexes of parts where to substitute $vars. SubstitutionIndexes substitutions; /// whether to rebuild the vectors bool invalid; void build_vectors(); public: /** * @param s the representation * @param vars an array of string representing the variables in this TextStyle * (e.g., {"linenum", "infilename", "infile", "outfile", 0}), the last element must * be 0 */ TextStyle(const std::string &s = "", const char **vars = 0); ~TextStyle(); /** * substitutes $text with text and $style with style * @param text * @param style * @return the string after substitutions */ std::string output(const std::string &text, const std::string &style = ""); /** * for each i substitutes: subst_map[i].first occurrence with subst_map[i].second * @param subst_map * @return the string after substitutions */ std::string output(SubstitutionMapping &subst_map); /** * substitutes $style with style * @param style * @return the string after substitutions */ std::string subst_style(const std::string &style = ""); /** * @return the string representation */ const std::string &toString() const { return repr; } /** * substitutes $text with the string representation of inner * e.g., if this is $text and inner is $text * this will return $text * @param inner * @return a new TextStyle after substitution */ TextStyle compose(const TextStyle &inner); /** * as compose, but acts on this instance * @param inner */ void update(const TextStyle &inner); /** * as compose, but acts on this instance * @param inner */ void update(const std::string &inner); /** * as output, but acts on this instance * @param text * @param style */ void update(const std::string &text, const std::string &style); /** * @return whether this TextStyle contains the $style variable */ bool containsStyleVar() const; /** * @return whether it is only $style or $text */ bool empty() const; }; } #endif /*_TEXTSTYLE_H_*/