songbook [from: Songs data for LaTeX songbooks http:///www.patacrep.com]
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436 lines
14 KiB
436 lines
14 KiB
/*
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Parse Latex song into chordpro
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*/
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{
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function megajoin(array){
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for(x in array) {
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if(array[x] instanceof Array) {
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array[x] = array[x].join("");
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}
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}
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return array.join("");
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}
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function property(name, value){
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if(value instanceof Array) {
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value = value.join("");
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}
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cp.setProperty(name,value);
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return "{" + name +": " + value + "}";
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}
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function inline_property(name, value){
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if(value instanceof Array) {
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value = value.join("");
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}
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return "{" + name +": " + value + "}";
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}
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function tab_property(name, base, frets, special, ukulele){
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var content = "";
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content += name.replace("/&/g", "b");
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if(base > 0){
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content += " base-fret ";
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content += base;
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}
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content += " frets ";
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content += frets.join(" ").toUpperCase();
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if(special){
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content += " special";
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}
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var define = "define";
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if(ukulele){
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//define += "_ukulele";
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}
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return property(define, content);
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}
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function blockify(name, content, newline){
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cp.openSongBlock(name);
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lines = content.split("\n");
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for(i in lines){
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cp.addLine(lines[i]);
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}
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cp.closeSongBlock(name);
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var start = "{start_of_"+name+"}";
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var end = "{end_of_"+name+"}";
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if(newline){
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start += "\r\n";
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end += "\r\n";
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}
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return start + content + end;
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}
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function blockify_param(name, param, content, newline){
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if(param instanceof Array) {
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param = param.join("");
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}
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var start = "{start_of_"+name + ": "+param+"}";
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var end = "{end_of_"+name+"}";
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if(newline){
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start += "\r\n";
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end += "\r\n";
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}
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return start + content + end;
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}
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function blockify_scripture(name, content, newline){
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content = cp.inlineProperty("comment", content);
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return blockify("verse", content, true);
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}
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function blockify_scripture_param(name, param, content, newline){
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var header = "";
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switch (param) {
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case "Encyclopédie Naheulbeuk":
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case "Portal":
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header = param + " - ";
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case "Les Souliers":
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content = header + content;
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content = cp.inlineProperty("comment", content);
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break;
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default:
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throw "sc";
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}
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if(content.length == 0){
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return "";
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}
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return blockify("verse", content, true);
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}
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function chordname_split(chordname){
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return chordname.split(" - ").join(" ").split(" ").join("][").replace("/b/g", "&");
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}
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}
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start
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= content:(language? newlines_merge columnsetting? newlines_merge song) {return cp.toString(); }
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// Basic characters
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digits
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= digits:[0-9]+ {return digits.join("")}
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ndigits
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= digits
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/ "-" digits
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digit
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= digit:[0-9]
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alpha
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= chars:[a-zA-Z]+ {return chars.join("")}
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slug
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= chars:[a-zA-Z0-9-_]+ {return chars.join("")}
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url
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= chars:[a-zA-Z0-9-_$.+!*'(),/:]+ {return chars.join("")}
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// Text patterns
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inline_text
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= content:inline_text_elt+ {return content.join("")}
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inline_text_elt
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= safe_text
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/ inline_command
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/ empty_command
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/ ignored_command
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/ equation
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safe_text
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= content:nonlatex_char+ {return content.join("")}
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nonlatex_char
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= [^\\\n\r{}$%\[\]~]
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/ "~" { return " "}
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inline_command
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= "\\dots {" content:inline_text "}" {return "..." + content}
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/ "\\shrp{" content:inline_text "}" {return "#" + content}
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empty_command
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= "\\" content:empty_command_name " "? "{}" {return content}
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/ "\\" content:empty_command_name {return content}
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/ "{\\" content:empty_command_name "}" {return content}
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empty_command_name
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= "oe" { return "œ"}
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/ "ier"
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/ "ieme"
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/ "dots" { return "..."}
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/ "ldots" { return "..."}
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/ "og" { return "«"} // guillemets
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/ "fg" { return "»"} // guillemets
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/ "flt" { return "&"}
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/ "shrp" { return "#"}
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/ "&"
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/ "_"
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/ "%"
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/ "#"
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/ ","
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/ "'"
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/ " " { return " "}
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/ removed_command_name { return ""}
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removed_command_name
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= "newline"
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/ "MultiwordChords"
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/ "Adlib"
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ignored_command
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= "\\" ignored_command_name "{" content:inline_text "}" {return content}
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ignored_command_name
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= "emph"
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/ "Outro"
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equation
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= "$" eq:equation_content "$" {return eq}
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equation_content
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= "\\beta_1" { return "Beta1"}
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/ "\\beta_2" { return "Beta2"}
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/ "H_2O" { return "H20"}
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/ "H_2" { return "H2"}
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/ "O"
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/ "CO_2" { return "CO2"}
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/ "5m^2" { return "5m²"}
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block_standalone_command
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= "\\capo{" digits:digits "}" { return property("capo", digits)}
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/ "\\meter{" num:digits "}{" denom:digits "}" { return property("meter", num + "/" + denom)}
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/ "\\cover" { return ""}
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/ "\\transposition{" digits:ndigits "}" {return inline_property("transposition", digits)}
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/ "\\lilypond" " "? "{" file:slug "}" { return inline_property("partition", [file + ".ly"])}
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/ "\\nolyrics{\\lilypond{" file:slug "}}" { return inline_property("partition", [file + ".ly"])}
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/ "\\rep{" digits:digits "}" {return inline_property("repeat", digits)}
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/ guitar_tab
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/ ukulele_tab
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guitar_tab
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= "\\gtab{" name:inline_text "}{" base:basefret frets:([0-9xX]+) "}" { return tab_property(name, base, frets, false, false)}
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/ "\\gtab*{" name:inline_text "}{" base:basefret frets:([0-9xX]+) ":"? "}" { return tab_property(name, base, frets, true, false)}
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/ "\\gtab" "*"? "{" name:inline_text "}{}" { return ""}
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ukulele_tab
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= "\\utab{" name:inline_text "}{" base:basefret frets:([0-9xX]+) "}" { return tab_property(name, base, frets, false, true)}
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/ "\\utab*{" name:inline_text "}{" base:basefret frets:([0-9xX]+) "}" { return tab_property(name, base, frets, true, true)}
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basefret
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= digits:digits ":" " "? { return digits; }
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/ "" { return "0"}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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language
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= "\\selectlanguage{" lang:alpha "}" {cp.reset(); return property("language", lang);}
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columnsetting
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= "\\songcolumns{" num:digits "}" {return property("columns", num);}
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song
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= content:(begin_song properties newlines_merge song_blocks newlines_merge end_song newlines_discard scripture_block? newlines_discard) {return content.join(""); }
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begin_song
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= "\\beginsong{" title:inline_text "}" {return property("title", title);}
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end_song
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= "\\endsong" { return "";}
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properties
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= newlines_merge "[" newlines_merge props:property* "]" { return "\n" + props.join("\n")}
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property
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= "by={" value:inline_text "}" prop_separator* { return property("artist", value)}
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/ "cov={" value:slug "}" prop_separator* { return property("cover", value)}
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/ "album={" value:inline_text "}" prop_separator* { return property("album", value)}
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/ "url={" value:url "}" prop_separator* { return property("url", value)}
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/ "original={" value:inline_text "}" prop_separator* { return property("original", value)}
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prop_separator
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= ","
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/ " "
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/ "%"? newline
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// @
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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song_blocks
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= content:(song_block newlines_merge)* {return megajoin(content)}
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song_block
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= block_standalone_command
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/ verse
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/ chorus
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/ bridge
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/ latex_comment_block
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/ branching_block
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/ textnote_block
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/ musicnote_block
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/ tablature_block
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/ repeated_block
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/ nolyrics_block
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/ special_block
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song_block_parts
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= content:(song_block_part newlines_merge)* {return megajoin(content)}
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song_block_part
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= block_standalone_command
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/ repeated_block_part
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/ nolyrics_block_part
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/ musicnote_block_part
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/ textnote_block_part
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/ special_block_part
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/ paragraph_line
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latex_comment_block
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= "%" content:[^\r\n]* {return "#" + content.join("")}
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branching_block
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= "\\if" condition:[^\r\n]+ newlines {return "#if" + condition.join("") + "\r\n"}
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/ "\\else" "%"? newlines {return "#else\r\n"}
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/ "\\fi" "%"? newlines {return "#fi\r\n"}
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repeated_block
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= "\\begin{repeatedchords}" newlines c:song_blocks "\\end{repeatedchords}" newlines {return c}
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repeated_block_part
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= "\\begin{repeatedchords}" newlines c:song_block_parts "\\end{repeatedchords}" newlines {return c}
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verse
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= "\\begin{verse}" newlines c:song_block_parts "\\end{verse}" {return blockify("verse", c, true)}
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/ "\\beginverse" newlines c:song_block_parts "\\endverse" {return blockify("verse", c, true)}
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/ "\\begin{verse*}" newlines c:song_block_parts "\\end{verse*}" {return blockify("verse*", c, true)}
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chorus
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= "\\begin{chorus}" newlines c:song_block_parts "\\end{chorus}" {return blockify("chorus", c, true)}
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/ "\\beginchorus" newlines c:song_block_parts "\\endchorus" {return blockify("chorus", c, true)}
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bridge
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= "\\begin{bridge}" newlines c:song_block_parts "\\end{bridge}" {return blockify("bridge", c, true)}
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nolyrics_block
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= "{\\nolyrics " newlines c:song_block_parts "}" {return c}
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/ "\\nolyrics" "{" c:song_block_parts "}" {return c}
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nolyrics_block_part
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= "{\\nolyrics " newlines c:song_block_parts "}" {return c}
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/ "\\nolyrics" " "? "{" c:song_block_parts "}" {return c}
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/ "\\nolyrics" {return ""}
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musicnote_block
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= "\\musicnote" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c)}
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/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return cp.inlineProperty("guitar_comment", c, lang)}
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musicnote_block_part
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= musicnote_block
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/*
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= "\\musicnote" " "* "{" c:song_block_parts "}" {return c}
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/ "\\musicnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return c}
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*/
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textnote_block
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= "\\textnote" " "* "{" c:song_block_parts "}" {return blockify("verse", cp.inlineProperty("comment", c))}
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/ "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return blockify("verse", cp.inlineProperty("comment", c, lang))}
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textnote_block_part
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= "\\textnote" " "* "{" c:song_block_parts "}" {return c}
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/ "\\textnote[" lang:alpha "]" " "* "{" c:song_block_parts "}" {return c}
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/ "\\textbf" " "* "{" c:song_block_parts "}" {return "**" + c + "**"}
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scripture_block
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= "\\beginscripture{}" "%"? newlines c:song_block_parts "\\endscripture" "%"? {return blockify_scripture("scripture", c, true)}
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/ "\\beginscripture{" comment:inline_text "}" newlines c:song_block_parts "\\endscripture" "%"? {return blockify_scripture_param("scripture", comment, c, true)}
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special_block
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= "\\Bridge" {return blockify("verse", cp.inlineProperty("comment", "Bridge"))}
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/ "\\image[" [^\]]+ "]{" [^}]+ "}" {return ""}
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/ "\\MultiwordChords" { return ""}
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special_block_part
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= "\\Outro : " "{" newlines c:song_block_parts "}" {return c}
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/ "\\ifrepeatchords" c:song_block_parts "\\fi" {return c}
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/ "\\ifchorded" newline c:song_block_parts "\\fi" {return c}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Line
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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paragraph_line
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= content:paragraph_line_elt+ paragraph_line_elt_comment? {return content.join("")}
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/ paragraph_line_elt_comment
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paragraph_line_elt_comment
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= "%" newline { return ""}
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/ "%" c:[^\r\n]+ newline { return "\r\n#" + c.join("")}
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paragraph_line_elt
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= inline_text
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/ chord
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/ command_in_paragraph
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command_in_paragraph
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= "\\emph{" c:paragraph_line "}" {return c}
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/ "\\echo{" c:paragraph_line "}" {return cp.inlineProperty("echo", c)}
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/ "\\" c:ignored_command_in_paragraph "{}"? { return c}
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ignored_command_in_paragraph
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= "Intro"
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/ "Chorus"
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/ "Bridge"
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/ "Verse"
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/ "Rythm"
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/ "Outro"
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/ "Solo"
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/ "Pattern"
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chord
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= "\\[" chordname:inline_text "]" " "? "{" text:inline_text "}" {return "[" + chordname_split(chordname) + "]" + text}
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/ "\\[" chordname:inline_text "]" {return "[" + chordname_split(chordname) + "]"}
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newlines_discard
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= newlines {return ""; }
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newlines_merge
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= lines:newline* {return (lines.length>0)?"\r\n":""; }
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newlines
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= lines:newline* {return lines.join(""); }
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newline
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= " "* newline_char " "*
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newline_char
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= "\r\n"
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/ "\r"
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/ "\n"
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tablature_block
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= " "* "\\begin{tab}" content:tablature_block_line+ "\\end{tab}" {return "#Tabs\n# " +content.join("# ")}
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tablature_block_line
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= newlines t:tablature_command newlines { return t + "\r\n"}
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tablature_command
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= "\\single " chord:digit " " fret:digits { return "single chord:" + chord + " fret:" + fret}
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/ "\\bar" { return "bar"}
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