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Update PEG grammar

chordpro_js
Oliverpool 9 years ago
parent
commit
a2fa3b775f
  1. 76
      utils/convert_to_chordpro/latex_grammar.txt
  2. 2985
      utils/convert_to_chordpro/parser_latex.js

76
utils/convert_to_chordpro/latex_grammar.txt

@ -12,6 +12,13 @@ Parse Latex song into chordpro
return array.join("");
}
function property(name, value){
if(value instanceof Array) {
value = value.join("");
}
cp.setProperty(name,value);
return "{" + name +": " + value + "}";
}
function inline_property(name, value){
if(value instanceof Array) {
value = value.join("");
}
@ -31,11 +38,18 @@ Parse Latex song into chordpro
}
var define = "define";
if(ukulele){
define += "_ukulele";
//define += "_ukulele";
}
return property(define, content);
}
function blockify(name, content, newline){
cp.openSongBlock(name);
lines = content.split("\n");
for(i in lines){
cp.addLine(lines[i]);
}
cp.closeSongBlock(name);
var start = "{start_of_"+name+"}";
var end = "{end_of_"+name+"}";
if(newline){
@ -56,13 +70,35 @@ Parse Latex song into chordpro
}
return start + content + end;
}
function blockify_scripture(name, content, newline){
content = cp.inlineProperty("comment", content);
return blockify("verse", content, true);
}
function blockify_scripture_param(name, param, content, newline){
var header = "";
switch (param) {
case "Encyclopédie Naheulbeuk":
case "Portal":
header = param + " - ";
case "Les Souliers":
content = header + content;
content = cp.inlineProperty("comment", content);
break;
default:
throw "sc";
}
if(content.length == 0){
return "";
}
return blockify("verse", content, true);
}
function chordname_split(chordname){
return chordname.split(" - ").join(" ").split(" ").join("][").replace("/b/g", "&");
}
}
start
= content:(language? newlines_merge columnsetting? newlines_merge song) {return content.join(""); }
= content:(language? newlines_merge columnsetting? newlines_merge song) {return cp.toString(); }
// Basic characters
@ -158,10 +194,10 @@ block_standalone_command
= "\\capo{" digits:digits "}" { return property("capo", digits)}
/ "\\meter{" num:digits "}{" denom:digits "}" { return property("meter", num + "/" + denom)}
/ "\\cover" { return ""}
/ "\\transposition{" digits:ndigits "}" {return property("transposition", digits)}
/ "\\lilypond" " "? "{" file:slug "}" { return property("partition", [file + ".ly"])}
/ "\\nolyrics{\\lilypond{" file:slug "}}" { return property("partition", [file + ".ly"])}
/ "\\rep{" digits:digits "}" {return property("repeat", digits)}
/ "\\transposition{" digits:ndigits "}" {return inline_property("transposition", digits)}
/ "\\lilypond" " "? "{" file:slug "}" { return inline_property("partition", [file + ".ly"])}
/ "\\nolyrics{\\lilypond{" file:slug "}}" { return inline_property("partition", [file + ".ly"])}
/ "\\rep{" digits:digits "}" {return inline_property("repeat", digits)}
/ guitar_tab
/ ukulele_tab
@ -187,7 +223,7 @@ basefret
language
= "\\selectlanguage{" lang:alpha "}" {return property("language", lang);}
= "\\selectlanguage{" lang:alpha "}" {cp.reset(); return property("language", lang);}
columnsetting
= "\\songcolumns{" num:digits "}" {return property("columns", num);}
@ -273,9 +309,9 @@ repeated_block_part
= "\\begin{repeatedchords}" newlines c:song_block_parts "\\end{repeatedchords}" newlines {return c}
verse
= "\\begin{verse}" newlines c:song_block_parts "\\end{verse}" {return c}
/ "\\beginverse" newlines c:song_block_parts "\\endverse" {return c}
/ "\\begin{verse*}" newlines c:song_block_parts "\\end{verse*}" {return c}
= "\\begin{verse}" newlines c:song_block_parts "\\end{verse}" {return blockify("verse", c, true)}
/ "\\beginverse" newlines c:song_block_parts "\\endverse" {return blockify("verse", c, true)}
/ "\\begin{verse*}" newlines c:song_block_parts "\\end{verse*}" {return blockify("verse*", c, true)}
chorus
= "\\begin{chorus}" newlines c:song_block_parts "\\end{chorus}" {return blockify("chorus", c, true)}
@ -294,17 +330,19 @@ nolyrics_block_part
/ "\\nolyrics" {return ""}
musicnote_block
= "\\musicnote" " "* "{" c:song_block_parts "}" {return blockify("musicnote", c, true)}
/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify_param("musicnote", lang, c, true)}
= "\\musicnote" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c)}
/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c, lang)}
musicnote_block_part
= musicnote_block
/*
= "\\musicnote" " "* "{" c:song_block_parts "}" {return c}
/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return c}
*/
textnote_block
= "\\textnote" " "* "{" c:song_block_parts "}" {return blockify("textnote", c, false)}
/ "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify_param("textnote", lang, c, false)}
= "\\textnote" " "* "{" c:song_block_parts "}" {return blockify("verse*", cp.inlineProperty("comment", c))}
/ "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify("verse*", cp.inlineProperty("comment", c, lang))}
textnote_block_part
= "\\textnote" " "* "{" c:song_block_parts "}" {return c}
@ -312,11 +350,11 @@ textnote_block_part
/ "\\textbf" " "* "{" c:song_block_parts "}" {return "**" + c + "**"}
scripture_block
= "\\beginscripture{}" "%"? newlines c:song_block_parts "\\endscripture" "%"? {return blockify("scripture", c, true)}
/ "\\beginscripture{" comment:inline_text "}" newlines c:song_block_parts "\\endscripture" "%"? {return blockify_param("scripture", comment, c, true)}
= "\\beginscripture{}" "%"? newlines c:song_block_parts "\\endscripture" "%"? {return blockify_scripture("scripture", c, true)}
/ "\\beginscripture{" comment:inline_text "}" newlines c:song_block_parts "\\endscripture" "%"? {return blockify_scripture_param("scripture", comment, c, true)}
special_block
= "\\Bridge" {return blockify("textnote", "Bridge", false)}
= "\\Bridge" {return blockify("verse*", cp.inlineProperty("comment", "Bridge"))}
/ "\\image[" [^\]]+ "]{" [^}]+ "}" {return ""}
/ "\\MultiwordChords" { return ""}
@ -349,7 +387,7 @@ paragraph_line_elt
command_in_paragraph
= "\\emph{" c:paragraph_line "}" {return c}
/ "\\echo{" c:paragraph_line "}" {return property("echo", c)}
/ "\\echo{" c:paragraph_line "}" {return cp.inlineProperty("echo", c)}
/ "\\" c:ignored_command_in_paragraph "{}"? { return c}
ignored_command_in_paragraph

2985
utils/convert_to_chordpro/parser_latex.js

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