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Update PEG grammar

chordpro_js
Oliverpool 9 years ago
parent
b0c77205d6
commit
a2fa3b775f
2 changed files with 1163 additions and 1896 deletions
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  1. 116
      utils/convert_to_chordpro/latex_grammar.txt
  2. 2943
      utils/convert_to_chordpro/parser_latex.js

116
utils/convert_to_chordpro/latex_grammar.txt
View File

@ -1,7 +1,7 @@
/* /*
Parse Latex song into chordpro Parse Latex song into chordpro
*/ */
{ {
function megajoin(array){ function megajoin(array){
for(x in array) { for(x in array) {
@ -12,6 +12,13 @@ Parse Latex song into chordpro
return array.join(""); return array.join("");
} }
function property(name, value){ 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) { if(value instanceof Array) {
value = value.join(""); value = value.join("");
} }
@ -25,17 +32,24 @@ Parse Latex song into chordpro
content += base; content += base;
} }
content += " frets "; content += " frets ";
content += frets.join("").toUpperCase(); content += frets.join(" ").toUpperCase();
if(special){ if(special){
content += " special"; content += " special";
} }
var define = "define"; var define = "define";
if(ukulele){ if(ukulele){
define += "_ukulele"; //define += "_ukulele";
} }
return property(define, content); return property(define, content);
} }
function blockify(name, content, newline){ 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 start = "{start_of_"+name+"}";
var end = "{end_of_"+name+"}"; var end = "{end_of_"+name+"}";
if(newline){ if(newline){
@ -56,13 +70,35 @@ Parse Latex song into chordpro
} }
return start + content + end; 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){ function chordname_split(chordname){
return chordname.split(" - ").join(" ").split(" ").join("][").replace("/b/g", "&"); return chordname.split(" - ").join(" ").split(" ").join("][").replace("/b/g", "&");
} }
} }
start 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 // Basic characters
@ -76,13 +112,13 @@ digit
alpha alpha
= chars:[a-zA-Z]+ {return chars.join("")} = chars:[a-zA-Z]+ {return chars.join("")}
slug slug
= chars:[a-zA-Z0-9-_]+ {return chars.join("")} = chars:[a-zA-Z0-9-_]+ {return chars.join("")}
url url
= chars:[a-zA-Z0-9-_$.+!*'(),/:]+ {return chars.join("")} = chars:[a-zA-Z0-9-_$.+!*'(),/:]+ {return chars.join("")}
// Text patterns // Text patterns
inline_text inline_text
@ -94,7 +130,7 @@ inline_text_elt
/ empty_command / empty_command
/ ignored_command / ignored_command
/ equation / equation
safe_text safe_text
= content:nonlatex_char+ {return content.join("")} = content:nonlatex_char+ {return content.join("")}
@ -158,10 +194,10 @@ block_standalone_command
= "\\capo{" digits:digits "}" { return property("capo", digits)} = "\\capo{" digits:digits "}" { return property("capo", digits)}
/ "\\meter{" num:digits "}{" denom:digits "}" { return property("meter", num + "/" + denom)} / "\\meter{" num:digits "}{" denom:digits "}" { return property("meter", num + "/" + denom)}
/ "\\cover" { return ""} / "\\cover" { return ""}
/ "\\transposition{" digits:ndigits "}" {return property("transposition", digits)} / "\\transposition{" digits:ndigits "}" {return inline_property("transposition", digits)}
/ "\\lilypond" " "? "{" file:slug "}" { return property("partition", [file + ".ly"])} / "\\lilypond" " "? "{" file:slug "}" { return inline_property("partition", [file + ".ly"])}
/ "\\nolyrics{\\lilypond{" file:slug "}}" { return property("partition", [file + ".ly"])} / "\\nolyrics{\\lilypond{" file:slug "}}" { return inline_property("partition", [file + ".ly"])}
/ "\\rep{" digits:digits "}" {return property("repeat", digits)} / "\\rep{" digits:digits "}" {return inline_property("repeat", digits)}
/ guitar_tab / guitar_tab
/ ukulele_tab / ukulele_tab
@ -187,7 +223,7 @@ basefret
language language
= "\\selectlanguage{" lang:alpha "}" {return property("language", lang);} = "\\selectlanguage{" lang:alpha "}" {cp.reset(); return property("language", lang);}
columnsetting columnsetting
= "\\songcolumns{" num:digits "}" {return property("columns", num);} = "\\songcolumns{" num:digits "}" {return property("columns", num);}
@ -201,7 +237,7 @@ end_song
= "\\endsong" { return "";} = "\\endsong" { return "";}
properties properties
= newlines_merge "[" newlines_merge props:property* "]" { return "\n" + props.join("\n")} = newlines_merge "[" newlines_merge props:property* "]" { return "\n" + props.join("\n")}
property property
@ -210,7 +246,7 @@ property
/ "album={" value:inline_text "}" prop_separator* { return property("album", value)} / "album={" value:inline_text "}" prop_separator* { return property("album", value)}
/ "url={" value:url "}" prop_separator* { return property("url", value)} / "url={" value:url "}" prop_separator* { return property("url", value)}
/ "original={" value:inline_text "}" prop_separator* { return property("original", value)} / "original={" value:inline_text "}" prop_separator* { return property("original", value)}
prop_separator prop_separator
= "," = ","
/ " " / " "
@ -262,8 +298,8 @@ latex_comment_block
branching_block branching_block
= "\\if" condition:[^\r\n]+ newlines {return "#if" + condition.join("") + "\r\n"} = "\\if" condition:[^\r\n]+ newlines {return "#if" + condition.join("") + "\r\n"}
/ "\\else" "%"? newlines {return "#else\r\n"} / "\\else" "%"? newlines {return "#else\r\n"}
/ "\\fi" "%"? newlines {return "#fi\r\n"} / "\\fi" "%"? newlines {return "#fi\r\n"}
repeated_block repeated_block
@ -273,9 +309,9 @@ repeated_block_part
= "\\begin{repeatedchords}" newlines c:song_block_parts "\\end{repeatedchords}" newlines {return c} = "\\begin{repeatedchords}" newlines c:song_block_parts "\\end{repeatedchords}" newlines {return c}
verse verse
= "\\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 c} / "\\beginverse" newlines c:song_block_parts "\\endverse" {return blockify("verse", c, true)}
/ "\\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)}
chorus chorus
= "\\begin{chorus}" newlines c:song_block_parts "\\end{chorus}" {return blockify("chorus", c, true)} = "\\begin{chorus}" newlines c:song_block_parts "\\end{chorus}" {return blockify("chorus", c, true)}
@ -294,17 +330,19 @@ nolyrics_block_part
/ "\\nolyrics" {return ""} / "\\nolyrics" {return ""}
musicnote_block musicnote_block
= "\\musicnote" " "* "{" c:song_block_parts "}" {return blockify("musicnote", c, true)} = "\\musicnote" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c)}
/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify_param("musicnote", lang, c, true)} / "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c, lang)}
musicnote_block_part musicnote_block_part
= musicnote_block
/*
= "\\musicnote" " "* "{" c:song_block_parts "}" {return c} = "\\musicnote" " "* "{" c:song_block_parts "}" {return c}
/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return c} / "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return c}
*/
textnote_block textnote_block
= "\\textnote" " "* "{" c:song_block_parts "}" {return blockify("textnote", c, false)} = "\\textnote" " "* "{" c:song_block_parts "}" {return blockify("verse*", cp.inlineProperty("comment", c))}
/ "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify_param("textnote", lang, c, false)} / "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify("verse*", cp.inlineProperty("comment", c, lang))}
textnote_block_part textnote_block_part
= "\\textnote" " "* "{" c:song_block_parts "}" {return c} = "\\textnote" " "* "{" c:song_block_parts "}" {return c}
@ -312,14 +350,14 @@ textnote_block_part
/ "\\textbf" " "* "{" c:song_block_parts "}" {return "**" + c + "**"} / "\\textbf" " "* "{" c:song_block_parts "}" {return "**" + c + "**"}
scripture_block scripture_block
= "\\beginscripture{}" "%"? newlines c:song_block_parts "\\endscripture" "%"? {return blockify("scripture", 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_param("scripture", comment, c, true)} / "\\beginscripture{" comment:inline_text "}" newlines c:song_block_parts "\\endscripture" "%"? {return blockify_scripture_param("scripture", comment, c, true)}
special_block special_block
= "\\Bridge" {return blockify("textnote", "Bridge", false)} = "\\Bridge" {return blockify("verse*", cp.inlineProperty("comment", "Bridge"))}
/ "\\image[" [^\]]+ "]{" [^}]+ "}" {return ""} / "\\image[" [^\]]+ "]{" [^}]+ "}" {return ""}
/ "\\MultiwordChords" { return ""} / "\\MultiwordChords" { return ""}
special_block_part special_block_part
= "\\Outro : " "{" newlines c:song_block_parts "}" {return c} = "\\Outro : " "{" newlines c:song_block_parts "}" {return c}
/ "\\ifrepeatchords" c:song_block_parts "\\fi" {return c} / "\\ifrepeatchords" c:song_block_parts "\\fi" {return c}
@ -346,20 +384,20 @@ paragraph_line_elt
= inline_text = inline_text
/ chord / chord
/ command_in_paragraph / command_in_paragraph
command_in_paragraph command_in_paragraph
= "\\emph{" c:paragraph_line "}" {return c} = "\\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} / "\\" c:ignored_command_in_paragraph "{}"? { return c}
ignored_command_in_paragraph ignored_command_in_paragraph
= "Intro" = "Intro"
/ "Chorus" / "Chorus"
/ "Bridge" / "Bridge"
/ "Verse" / "Verse"
/ "Rythm" / "Rythm"
/ "Outro" / "Outro"
/ "Solo" / "Solo"
/ "Pattern" / "Pattern"
@ -385,7 +423,7 @@ newline_char
= "\r\n" = "\r\n"
/ "\r" / "\r"
/ "\n" / "\n"
tablature_block tablature_block
= " "* "\\begin{tab}" content:tablature_block_line+ "\\end{tab}" {return "#Tabs\n# " +content.join("# ")} = " "* "\\begin{tab}" content:tablature_block_line+ "\\end{tab}" {return "#Tabs\n# " +content.join("# ")}
@ -395,4 +433,4 @@ tablature_block_line
tablature_command tablature_command
= "\\single " chord:digit " " fret:digits { return "single chord:" + chord + " fret:" + fret} = "\\single " chord:digit " " fret:digits { return "single chord:" + chord + " fret:" + fret}
/ "\\bar" { return "bar"} / "\\bar" { return "bar"}

2943
utils/convert_to_chordpro/parser_latex.js
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