diff options
Diffstat (limited to 'Master/texmf-dist/scripts/pmxchords/pmxchords.lua')
| -rwxr-xr-x | Master/texmf-dist/scripts/pmxchords/pmxchords.lua | 279 |
1 files changed, 159 insertions, 120 deletions
diff --git a/Master/texmf-dist/scripts/pmxchords/pmxchords.lua b/Master/texmf-dist/scripts/pmxchords/pmxchords.lua index 1539e90a48a..58179a355a9 100755 --- a/Master/texmf-dist/scripts/pmxchords/pmxchords.lua +++ b/Master/texmf-dist/scripts/pmxchords/pmxchords.lua @@ -1,10 +1,10 @@ -#!/usr/bin/env texlua +#! /usr/bin/env texlua -- -- global constants -- -VERSION = "0.9.2" -FILE_SUFFIX="_chtr" -PMX_CMD="pmxab" +VERSION = "0.9.3" +FILE_SUFFIX = "_chtr" +PMX_CMD = "pmxab" --[[ pmxchords.lua: transpose chords (\ch.C.\) and process pmxab @@ -30,9 +30,12 @@ with this program; if not, write to the Free Software Foundation, Inc., --[[ ChangeLog: + version 0.9.3 2014-04-21 - fixed transposition problem: + If song began in E-minor and signature is changed in half of song to A-minor + transposition must be omitted. version 0.9.2 2013-12-13 - fixed: stop processing when pmxab fail. - - Do not remove file pmxaerr.dat. + - When pmxab is called generated file pmxaerr.dat is not removed. version 0.9.1 2013-12-09 - added some options. Improved processing. @@ -40,60 +43,89 @@ with this program; if not, write to the Free Software Foundation, Inc., --]] function usage() - print("Usage: [texlua] pmxchords.lua basename[.pmx] ") - print(" 1. transpose chords into new file basename"..FILE_SUFFIX..".pmx") - print(" 2. call pmxab on transposed file basename"..FILE_SUFFIX..".pmx") - print(" 3. rename basename"..FILE_SUFFIX..".tex to basename.tex") - print("options: -v version") - print(" -h help") - print(" -s stop after fist step. e.g. generate only transposed basename"..FILE_SUFFIX..".pmx file") + print("Usage: [texlua] pmxchords.lua basename[.pmx] ") + print(" 1. transpose chords into new file basename" .. FILE_SUFFIX .. ".pmx") + print(" 2. call pmxab on transposed file basename" .. FILE_SUFFIX .. ".pmx") + print(" 3. rename basename" .. FILE_SUFFIX .. ".tex to basename.tex") + print("options: -v version") + print(" -h help") + print(" -s stop after fist step. e.g. generate only transposed basename" .. FILE_SUFFIX .. ".pmx file") end -function whoami () - print("This is pmxchords.lua version ".. VERSION) +function whoami() + print("This is pmxchords.lua version " .. VERSION) end whoami() if #arg == 0 then - usage() - os.exit(0) + usage() + os.exit(0) end kpse.set_program_name("luatex") -require "ChordsTr" +require"ChordsTr" function parseInputSignature(line) - -- parse input signature from pmx digits line. Only one line digits format is supported! - -- e.g. - -- 1 1 2 4 2 4 0 -1 - -- signature is -1 : F major - local res = string.match(line, "^%s*[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+([%+%-]?[0-9]+)%s*$") - return tonumber(res) + -- parse input signature from pmx digits line. Only one line digits format is supported! + -- e.g. + -- 1 1 2 4 2 4 0 -1 + -- signature is -1 : F major + local res = string.match(line, "^%s*[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+[0-9]+%s+([%+%-]?[0-9]+)%s*$") + return tonumber(res) end function parseOutputSignature(line) - -- parse output signature from pmx - -- e.g. - -- K-2+2 - -- output signature is +2 : D major - local res = string.match(line, "^K[%+%-]?[0-9]+([%+%-]?[0-9]+)") - return tonumber(res) + -- parse output signature from pmx + -- e.g. + -- K-2+2 + -- output signature is +2 : D major + local res = string.match(line, "^K[%+%-]?[0-9]+([%+%-]?[0-9]+)") + return tonumber(res) +end + +-- +-- Strip comments from line +-- Comments begin with % character +-- +function lineWithoutComment(line) + local i = string.find(line, "%%") + if (i == nil) then + return line + end + return line:sub(0, i - 1) +end + +-- +-- Function checks only if the line contains \ch. string. +-- It does not check correctly if notes already started. It checks only if chords started.. +-- Scenario bellow will fail! +-- d44 f a r / % first line does not contain chords symbol +-- % signature is changed +-- K+0+0 +-- \ch.C.\ c44 e g r4 / +-- +function checkChordsAlreadyStarted(line) + local i = string.find(lineWithoutComment(line), ChordsTr.CHORDS_BEGIN) + if (i ~= nil) then + return true + end + return false; end function handleErr(msg) - io.stderr:write(msg.."\n") - os.exit(2) + io.stderr:write(msg .. "\n") + os.exit(2) end -- -- get file name without .pmx suffix -- function getBaseFileName(fileName) - if fileName ~= "" and string.sub(fileName, -4, -1) == ".pmx" then - return string.sub(fileName, 1, -5) - else - return fileName - end + if fileName ~= "" and string.sub(fileName, -4, -1) == ".pmx" then + return string.sub(fileName, 1, -5) + else + return fileName + end end -- @@ -103,50 +135,57 @@ end -- return outputBaseName transposed pmx file name without .pmx suffix -- function makeChordsTransposition(baseName) - local inputFileName = baseName..".pmx" - local inputFile = io.open(inputFileName, "r") - if(inputFile == nil) then - handleErr("File does not exist: "..inputFileName) - end - - local outputBaseName = baseName..FILE_SUFFIX -- output base name without suffix. Used for renaming generated .tex file ... - local outputFileName = outputBaseName..".pmx" - local outputFile = io.open(outputFileName, "w") - if(outputFile == nil) then - handleErr("Can not create temporary file: ".. outputFileName) - end - - -- - -- transpose chords from inputFile into outputFile - -- - -- input and output signature will be parsed from input pmx file - -- - local iSig = nil -- input signature - local chTr = nil -- chords transposition class - - for line in inputFile:lines() do - if(chTr ~= nil) then - outputFile:write(chTr:lineTranspose(line).."\n") - else - outputFile:write(line.."\n") - end - if(iSig == nil) then - iSig = parseInputSignature(line) - if(iSig ~= nil) then - io.stderr:write("Chords: input signature detected: "..iSig .."\n") - end - elseif(chTr == nil) then - local oSig = parseOutputSignature(line) - if(oSig ~= nil) then - io.stderr:write("Chords: output signature detected: "..oSig .."\n") - chTr = ChordsTr(iSig, oSig) - end - end - end - inputFile:close() - outputFile:close() - - return outputBaseName + local inputFileName = baseName .. ".pmx" + local inputFile = io.open(inputFileName, "r") + if (inputFile == nil) then + handleErr("File does not exist: " .. inputFileName) + end + + local outputBaseName = baseName .. FILE_SUFFIX -- output base name without suffix. Used for renaming generated .tex file ... + local outputFileName = outputBaseName .. ".pmx" + local outputFile = io.open(outputFileName, "w") + if (outputFile == nil) then + handleErr("Can not create temporary file: " .. outputFileName) + end + + -- + -- transpose chords from inputFile into outputFile + -- + -- input and output signature will be parsed from input pmx file + -- + local iSig = nil -- input signature + local chTr = nil -- chords transposition class + + -- If song began in E-minor and signature is changed in half of song to A-minor + -- transposition must be omitted. + local chordsAlreadyStarted = false; + + for line in inputFile:lines() do + if (chTr ~= nil) then + outputFile:write(chTr:lineTranspose(line) .. "\n") + else + outputFile:write(line .. "\n") + end + if (iSig == nil) then + iSig = parseInputSignature(line) + if (iSig ~= nil) then + io.stderr:write("Chords: input signature detected: " .. iSig .. "\n") + end + elseif (chTr == nil and not chordsAlreadyStarted) then + local oSig = parseOutputSignature(line) + if (oSig ~= nil) then + io.stderr:write("Chords: output signature detected: " .. oSig .. "\n") + chTr = ChordsTr(iSig, oSig) + elseif (checkChordsAlreadyStarted(line)) then + io.stderr:write("Chords: notes already started. Chords transposition is omitted.\n") + chordsAlreadyStarted = true; + end + end + end + inputFile:close() + outputFile:close() + + return outputBaseName end -- @@ -155,51 +194,51 @@ end -- param outputBaseName transposed pmx file name without .pmx suffix -- function pmxabProcess(baseName, outputBaseName) - -- - -- call pmxab to generate .tex file - -- - os.execute(PMX_CMD .. " " .. outputBaseName ) - -- check error - local pmxaerr = io.open("pmxaerr.dat", "r") - if (not pmxaerr) then - handleErr("No log file.") - end - linebuf = pmxaerr:read() - err = tonumber(linebuf) - pmxaerr:close() - if (err ~= 0 ) then - handleErr("PMX process fail! "..outputBaseName..".pmx") - end - - os.rename(outputBaseName..".tex", baseName..".tex") - - -- remove temporary files - os.remove(outputBaseName..".pmx") - os.remove(outputBaseName..".pml") + -- + -- call pmxab to generate .tex file + -- + os.execute(PMX_CMD .. " " .. outputBaseName) + -- check error + local pmxaerr = io.open("pmxaerr.dat", "r") + if (not pmxaerr) then + handleErr("No log file.") + end + local linebuf = pmxaerr:read() + local err = tonumber(linebuf) + pmxaerr:close() + if (err ~= 0) then + handleErr("PMX process fail! " .. outputBaseName .. ".pmx") + end + + os.rename(outputBaseName .. ".tex", baseName .. ".tex") + + -- remove temporary files + os.remove(outputBaseName .. ".pmx") + os.remove(outputBaseName .. ".pml") end narg = 1 onlyTranspose = false repeat - this_arg = arg[narg] - if this_arg == "-v" then - os.exit(0) - elseif this_arg == "-h" then - usage() - os.exit(0) - elseif this_arg == "-s" then - onlyTranspose = true - else - local baseName = getBaseFileName(this_arg) - local outputBaseName = makeChordsTransposition(baseName) - - if (onlyTranspose) then - os.exit(0) - end - pmxabProcess(baseName, outputBaseName) - end - - narg = narg + 1 + local this_arg = arg[narg] + if this_arg == "-v" then + os.exit(0) + elseif this_arg == "-h" then + usage() + os.exit(0) + elseif this_arg == "-s" then + onlyTranspose = true + else + local baseName = getBaseFileName(this_arg) + local outputBaseName = makeChordsTransposition(baseName) + + if (onlyTranspose) then + os.exit(0) + end + pmxabProcess(baseName, outputBaseName) + end + + narg = narg + 1 until narg > #arg |