Introduce a simple macro facility for citation formats. Also introduce

simple, translatable units for use in such formats.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33924 a592a061-630c-0410-9148-cb99ea01b6c8

lib/layouts/stdciteformats.inc

@@ -5,11 +5,29 @@
 Format 26
 
 CiteFormat
-	article %author%, "%title%", {!<i>!}%journal%{!</i>!} {%volume%[[ %volume%{%number%[[, %number%]]}]]} (%year%){%pages%[[, pp. %pages%]]}.{%note%[[ %note%]]}
+	# translatable bits
+	_pptext pp.
+	_edtext ed.
+	_voltext vol.
+	_numtext no.
+	_in in
 
-	book {%author%[[%author%, ]][[{%editor%[[%editor%, %ed_text%, ]]}]]}{!<i>!}%title%{!</i>!}{%volume%[[ vol. %volume%]][[{%number%[[no. %number%]]}]]}{%edition%[[%edition%]]} ({%address%[[%address%: ]]}%publisher%, %year%).{%note%[[ %note%]]}
+	# macros
+	!pages {%pages%[[, %_pptext% %pages%]]}
+	!authoredit {%author%[[%author%, ]][[{%editor%[[%editor%, %_edtext%, ]]}]]}
+	!volnum {%volume%[[ %_voltext% %volume%]][[{%number%[[%_numtext% %number%]]}]]}
+	!quotetitle "%title%"
+	!emphtitle {!<i>!}%title%{!</i>!}
+	!emphjournal {!<i>!}%journal%{!</i>!}
 
-	incollection %author%, \"%title%\", in{%editor%[[ %editor%, %ed_text%,]]} {!<i>!}%booktitle%{!</i>!}{%volume%[[ vol. %volume%]][[{%number%[[no. %number%]]}]]}{%edition%[[%edition%]]} ({%address%[[%address%: ]]}%publisher%, %year%){%pages%[[, pp. %pages%]]}.{%note%[[ %note%]]}
+	!insomething %author%, %!quotetitle%, %_in%{%editor%[[ %editor%, %_edtext%,]]} {!<i>!}%booktitle%{!</i>!}%!volnum%{%edition%[[%edition%]]} ({%address%[[%address%: ]]}%publisher%, %year%)%!pages%.{%note%[[ %note%]]}
+
+	article %author%, %!quotetitle%, %!emphjournal% {%volume%[[ %volume%{%number%[[, %number%]]}]]} (%year%)%!pages%.{%note%[[ %note%]]}
+	
+	book %!authoredit%%!emphtitle%%!volnum%{%edition%[[%edition%]]} ({%address%[[%address%: ]]}%publisher%, %year%).{%note%[[ %note%]]}
+
+	incollection %!insomething%
+	inproceedings %!insomething%
 
 	thesis %author%, %title% ({%address%[[%address%: ]]}%school%, %year%).{%note%[[ %note%]]}
 End

po/lyx_pot.py

@@ -92,10 +92,14 @@ def layouts_l10n(input_files, output, base):
     EndI18nPreamble = re.compile(r'\s*End(Lang)|(Babel)Preamble\s*$')
     I18nString = re.compile(r'_\(([^\)]+)\)')
     CounterFormat = re.compile(r'\s*PrettyFormat\s+"?(.*)"?')
+    CiteFormat = re.compile(r'\s*CiteFormat')
+    KeyVal = re.compile(r'^\s*_\w+\s+(.*)$')
+    End = re.compile(r'\s*End')
     
     for src in input_files:
         readingDescription = False
         readingI18nPreamble = False
+        readingCiteFormats = False
         descStartLine = -1
         descLines = []
         lineno = 0
@@ -179,6 +183,18 @@ def layouts_l10n(input_files, output, base):
                 string = res.group(1)
                 writeString(out, src, base, lineno, string)
                 continue
+            res = CiteFormat.search(line)
+            if res != None:
+                readingCiteFormats = True
+            res = End.search(line)
+            if res != None and readingCiteFormats:
+                readingCiteFormats = False
+            if readingCiteFormats:
+                res = KeyVal.search(line)
+                if res != None:
+                    val = res.group(1)
+                    writeString(out, src, base, lineno, val)
+                
     out.close()
 
 

src/BiblioInfo.cpp

@@ -395,17 +395,27 @@ namespace {
 
 
 docstring BibTeXInfo::expandFormat(string const & format, 
-		BibTeXInfo const * const xref, bool richtext) const
+		BibTeXInfo const * const xref, Buffer const & buf, 
+		bool richtext) const
 {
+	// incorrect use of macros could put us in an infinite loop
+	static int max_passes = 1000;
 	docstring ret; // return value
 	string key;
 	bool scanning_key = false;
 	bool scanning_rich = false;
 
+	int passes = 0;
 	string fmt = format;
 	// we'll remove characters from the front of fmt as we 
 	// deal with them
 	while (fmt.size()) {
+		if (passes++ > max_passes) {
+			LYXERR0("Recursion limit reached while parsing `" 
+			        << format << "'.");
+			return _("ERROR!");
+		}
+				
 		char_type thischar = fmt[0];
 		if (thischar == '%') { 
 			// beginning or end of key
@@ -413,11 +423,24 @@ docstring BibTeXInfo::expandFormat(string const & format,
 				// end of key
 				scanning_key = false;
 				// so we replace the key with its value, which may be empty
-				docstring const val = getValueForKey(key, xref);
-				ret += val;
-				key.clear();
+				if (key[0] == '!') {
+					// macro
+					string const val = 
+						buf.params().documentClass().getCiteMacro(key);
+					fmt = val + fmt.substr(1);
+					continue;
+				} else if (key[0] == '_') {
+					// a translatable bit
+					string const val = 
+						buf.params().documentClass().getCiteMacro(key);
+					ret += _(val);
+				} else {
+					docstring const val = getValueForKey(key, xref);
+					ret += val;
+				}
 			} else {
 				// beginning of key
+				key.clear();
 				scanning_key = true;
 			}
 		}
@@ -440,9 +463,9 @@ docstring BibTeXInfo::expandFormat(string const & format,
 					fmt = newfmt;
 					docstring const val = getValueForKey(optkey, xref);
 					if (!val.empty())
-						ret += expandFormat(ifpart, xref, richtext);
+						ret += expandFormat(ifpart, xref, buf, richtext);
 					else if (!elsepart.empty())
-						ret += expandFormat(elsepart, xref, richtext);
+						ret += expandFormat(elsepart, xref, buf, richtext);
 					// fmt will have been shortened for us already
 					continue; 
 				}
@@ -453,7 +476,8 @@ docstring BibTeXInfo::expandFormat(string const & format,
 					continue;
 				}
 			}
-			// we are here if the '{' was at the end of the format. hmm.
+			// we are here if '{' was not followed by % or !. 
+			// So it's just a character.
 			ret += thischar;
 		}
 		else if (scanning_rich && thischar == '!' 
@@ -497,7 +521,7 @@ docstring const & BibTeXInfo::getInfo(BibTeXInfo const * const xref,
 
 	DocumentClass const & dc = buf.params().documentClass();
 	string const & format = dc.getCiteFormat(to_utf8(entry_type_));
-	info_ = expandFormat(format, xref, richtext);
+	info_ = expandFormat(format, xref, buf, richtext);
 
 	if (!info_.empty())
 		info_ = convertLaTeXCommands(info_);

src/BiblioInfo.h

@@ -118,7 +118,8 @@ private:
 	/// wrapped in "{!" and "!}". it will be removed if richtext is
 	/// false.
 	docstring expandFormat(std::string const & fmt,
-			BibTeXInfo const * const xref, bool richtext) const;
+			BibTeXInfo const * const xref, 
+			Buffer const & buf, bool richtext) const;
 	/// true if from BibTeX; false if from bibliography environment
 	bool is_bibtex_;
 	/// the BibTeX key for this entry

src/TextClass.cpp

@@ -863,7 +863,13 @@ void TextClass::readCiteFormat(Lexer & lexrc)
 			break;
 		lexrc.eatLine();
 		definition = lexrc.getString();
-		cite_formats_[etype] = definition;
+		char initchar = etype[0];
+		if (initchar == '#')
+			continue;
+		if (initchar == '!' || initchar == '_')
+			cite_macros_[etype] = definition;
+		else
+			cite_formats_[etype] = definition;
 	}
 }
 
@@ -1361,6 +1367,16 @@ string const & DocumentClass::getCiteFormat(string const & entry_type) const
 }
 
 
+string const & DocumentClass::getCiteMacro(string const & macro) const
+{
+	static string empty;
+	map<string, string>::const_iterator it = cite_macros_.find(macro);
+	if (it != cite_macros_.end())
+		return it->second;
+	return empty;
+}
+
+
 /////////////////////////////////////////////////////////////////////////
 //
 // PageSides

src/TextClass.h

@@ -306,6 +306,8 @@ protected:
 	int max_toclevel_;
 	/// Citation formatting information
 	std::map<std::string, std::string> cite_formats_;
+	/// Citation macros
+	std::map<std::string, std::string> cite_macros_;
 private:
 	///////////////////////////////////////////////////////////////////
 	// helper routines for reading layout files
@@ -429,6 +431,8 @@ public:
 	bool hasTocLevels() const;
 	///
 	std::string const & getCiteFormat(std::string const & entry_type) const;
+	///
+	std::string const & getCiteMacro(std::string const & macro) const;
 protected:
 	/// Constructs a DocumentClass based upon a LayoutFile.
 	DocumentClass(LayoutFile const & tc);