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linguist/samples/GAP/Magic.gi
2014-04-05 13:26:41 +02:00

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#############################################################################
##
## Magic.gi AutoDoc package
##
## Copyright 2013, Max Horn, JLU Giessen
## Sebastian Gutsche, University of Kaiserslautern
##
#############################################################################
# Check if a string has the given suffix or not. Another
# name for this would "StringEndsWithOtherString".
# For example, AUTODOC_HasSuffix("file.gi", ".gi") returns
# true while AUTODOC_HasSuffix("file.txt", ".gi") returns false.
BindGlobal( "AUTODOC_HasSuffix",
function(str, suffix)
local n, m;
n := Length(str);
m := Length(suffix);
return n >= m and str{[n-m+1..n]} = suffix;
end );
# Given a string containing a ".", , return its suffix,
# i.e. the bit after the last ".". For example, given "test.txt",
# it returns "txt".
BindGlobal( "AUTODOC_GetSuffix",
function(str)
local i;
i := Length(str);
while i > 0 and str[i] <> '.' do i := i - 1; od;
if i < 0 then return ""; fi;
return str{[i+1..Length(str)]};
end );
# Check whether the given directory exists, and if not, attempt
# to create it.
BindGlobal( "AUTODOC_CreateDirIfMissing",
function(d)
local tmp;
if not IsDirectoryPath(d) then
tmp := CreateDir(d); # Note: CreateDir is currently undocumented
if tmp = fail then
Error("Cannot create directory ", d, "\n",
"Error message: ", LastSystemError().message, "\n");
return false;
fi;
fi;
return true;
end );
# Scan the given (by name) subdirs of a package dir for
# files with one of the given extensions, and return the corresponding
# filenames, as relative paths (relative to the package dir).
#
# For example, the invocation
# AUTODOC_FindMatchingFiles("AutoDoc", [ "gap/" ], [ "gi", "gd" ]);
# might return a list looking like
# [ "gap/AutoDocMainFunction.gd", "gap/AutoDocMainFunction.gi", ... ]
BindGlobal( "AUTODOC_FindMatchingFiles",
function (pkg, subdirs, extensions)
local d_rel, d, tmp, files, result;
result := [];
for d_rel in subdirs do
# Get the absolute path to the directory in side the package...
d := DirectoriesPackageLibrary( pkg, d_rel );
if IsEmpty( d ) then
continue;
fi;
d := d[1];
# ... but also keep the relative path (such as "gap")
d_rel := Directory( d_rel );
files := DirectoryContents( d );
Sort( files );
for tmp in files do
if not AUTODOC_GetSuffix( tmp ) in [ "g", "gi", "gd", "autodoc" ] then
continue;
fi;
if not IsReadableFile( Filename( d, tmp ) ) then
continue;
fi;
Add( result, Filename( d_rel, tmp ) );
od;
od;
return result;
end );
# AutoDoc(pkg[, opt])
#
## Make this function callable with the package_name AutoDocWorksheet.
## Which will then create a worksheet!
InstallGlobalFunction( AutoDoc,
function( arg )
local pkg, package_info, opt, scaffold, gapdoc, maketest,
autodoc, pkg_dir, doc_dir, doc_dir_rel, d, tmp,
title_page, tree, is_worksheet, position_document_class, i, gapdoc_latex_option_record;
pkg := arg[1];
if LowercaseString( pkg ) = "autodocworksheet" then
is_worksheet := true;
package_info := rec( );
pkg_dir := DirectoryCurrent( );
else
is_worksheet := false;
package_info := PackageInfo( pkg )[ 1 ];
pkg_dir := DirectoriesPackageLibrary( pkg, "" )[1];
fi;
if Length(arg) >= 2 then
opt := arg[2];
else
opt := rec();
fi;
# Check for certain user supplied options, and if present, add them
# to the opt record.
tmp := function( key )
local val;
val := ValueOption( key );
if val <> fail then
opt.(key) := val;
fi;
end;
tmp( "dir" );
tmp( "scaffold" );
tmp( "autodoc" );
tmp( "gapdoc" );
tmp( "maketest" );
#
# Setup the output directory
#
if not IsBound( opt.dir ) then
doc_dir := "doc";
elif IsString( opt.dir ) or IsDirectory( opt.dir ) then
doc_dir := opt.dir;
else
Error( "opt.dir must be a string containing a path, or a directory object" );
fi;
if IsString( doc_dir ) then
# Record the relative version of the path
doc_dir_rel := Directory( doc_dir );
# We intentionally do not use
# DirectoriesPackageLibrary( pkg, "doc" )
# because it returns an empty list if the subdirectory is missing.
# But we want to handle that case by creating the directory.
doc_dir := Filename(pkg_dir, doc_dir);
doc_dir := Directory(doc_dir);
else
# TODO: doc_dir_rel = ... ?
fi;
# Ensure the output directory exists, create it if necessary
AUTODOC_CreateDirIfMissing(Filename(doc_dir, ""));
# Let the developer know where we are generating the documentation.
# This helps diagnose problems where multiple instances of a package
# are visible to GAP and the wrong one is used for generating the
# documentation.
# TODO: Using Info() instead of Print?
Print( "Generating documentation in ", doc_dir, "\n" );
#
# Extract scaffolding settings, which can be controlled via
# opt.scaffold or package_info.AutoDoc. The former has precedence.
#
if not IsBound(opt.scaffold) then
# Default: enable scaffolding if and only if package_info.AutoDoc is present
if IsBound( package_info.AutoDoc ) then
scaffold := rec( );
fi;
elif IsRecord(opt.scaffold) then
scaffold := opt.scaffold;
elif IsBool(opt.scaffold) then
if opt.scaffold = true then
scaffold := rec();
fi;
else
Error("opt.scaffold must be a bool or a record");
fi;
# Merge package_info.AutoDoc into scaffold
if IsBound(scaffold) and IsBound( package_info.AutoDoc ) then
AUTODOC_APPEND_RECORD_WRITEONCE( scaffold, package_info.AutoDoc );
fi;
if IsBound( scaffold ) then
AUTODOC_WriteOnce( scaffold, "TitlePage", true );
AUTODOC_WriteOnce( scaffold, "MainPage", true );
fi;
#
# Extract AutoDoc settings
#
if not IsBound(opt.autodoc) and not is_worksheet then
# Enable AutoDoc support if the package depends on AutoDoc.
tmp := Concatenation( package_info.Dependencies.NeededOtherPackages,
package_info.Dependencies.SuggestedOtherPackages );
if ForAny( tmp, x -> LowercaseString(x[1]) = "autodoc" ) then
autodoc := rec();
fi;
elif IsRecord(opt.autodoc) then
autodoc := opt.autodoc;
elif IsBool(opt.autodoc) and opt.autodoc = true then
autodoc := rec();
fi;
if IsBound(autodoc) then
if not IsBound( autodoc.files ) then
autodoc.files := [ ];
fi;
if not IsBound( autodoc.scan_dirs ) and not is_worksheet then
autodoc.scan_dirs := [ "gap", "lib", "examples", "examples/doc" ];
elif not IsBound( autodoc.scan_dirs ) and is_worksheet then
autodoc.scan_dirs := [ ];
fi;
if not IsBound( autodoc.level ) then
autodoc.level := 0;
fi;
PushOptions( rec( level_value := autodoc.level ) );
if not is_worksheet then
Append( autodoc.files, AUTODOC_FindMatchingFiles(pkg, autodoc.scan_dirs, [ "g", "gi", "gd" ]) );
fi;
fi;
#
# Extract GAPDoc settings
#
if not IsBound( opt.gapdoc ) then
# Enable GAPDoc support by default
gapdoc := rec();
elif IsRecord( opt.gapdoc ) then
gapdoc := opt.gapdoc;
elif IsBool( opt.gapdoc ) and opt.gapdoc = true then
gapdoc := rec();
fi;
#
# Extract test settings
#
if IsBound( opt.maketest ) then
if IsRecord( opt.maketest ) then
maketest := opt.maketest;
elif opt.maketest = true then
maketest := rec( );
fi;
fi;
if IsBound( gapdoc ) then
if not IsBound( gapdoc.main ) then
gapdoc.main := pkg;
fi;
# FIXME: the following may break if a package uses more than one book
if IsBound( package_info.PackageDoc ) and IsBound( package_info.PackageDoc[1].BookName ) then
gapdoc.bookname := package_info.PackageDoc[1].BookName;
elif not is_worksheet then
# Default: book name = package name
gapdoc.bookname := pkg;
Print("\n");
Print("WARNING: PackageInfo.g is missing a PackageDoc entry!\n");
Print("Without this, your package manual will not be recognized by the GAP help system.\n");
Print("You can correct this by adding the following to your PackageInfo.g:\n");
Print("PackageDoc := rec(\n");
Print(" BookName := ~.PackageName,\n");
#Print(" BookName := \"", pkg, "\",\n");
Print(" ArchiveURLSubset := [\"doc\"],\n");
Print(" HTMLStart := \"doc/chap0.html\",\n");
Print(" PDFFile := \"doc/manual.pdf\",\n");
Print(" SixFile := \"doc/manual.six\",\n");
Print(" LongTitle := ~.Subtitle,\n");
Print("),\n");
Print("\n");
fi;
if not IsBound( gapdoc.files ) then
gapdoc.files := [];
fi;
if not IsBound( gapdoc.scan_dirs ) and not is_worksheet then
gapdoc.scan_dirs := [ "gap", "lib", "examples", "examples/doc" ];
fi;
if not is_worksheet then
Append( gapdoc.files, AUTODOC_FindMatchingFiles(pkg, gapdoc.scan_dirs, [ "g", "gi", "gd" ]) );
fi;
# Attempt to weed out duplicates as they may confuse GAPDoc (this
# won't work if there are any non-normalized paths in the list).
gapdoc.files := Set( gapdoc.files );
# Convert the file paths in gapdoc.files, which are relative to
# the package directory, to paths which are relative to the doc directory.
# For this, we assume that doc_dir_rel is normalized (e.g.
# it does not contains '//') and relative.
d := Number( Filename( doc_dir_rel, "" ), x -> x = '/' );
d := Concatenation( ListWithIdenticalEntries(d, "../") );
gapdoc.files := List( gapdoc.files, f -> Concatenation( d, f ) );
fi;
# read tree
# FIXME: shouldn't tree be declared inside of an 'if IsBound(autodoc)' section?
tree := DocumentationTree( );
if IsBound( autodoc ) then
if IsBound( autodoc.section_intros ) then
AUTODOC_PROCESS_INTRO_STRINGS( autodoc.section_intros : Tree := tree );
fi;
AutoDocScanFiles( autodoc.files : PackageName := pkg, Tree := tree );
fi;
if is_worksheet then
# FIXME: We use scaffold and autodoc here without checking whether
# they are bound. Does that mean worksheets always use them?
if IsRecord( scaffold.TitlePage ) and IsBound( scaffold.TitlePage.Title ) then
pkg := scaffold.TitlePage.Title;
elif IsBound( tree!.TitlePage.Title ) then
pkg := tree!.TitlePage.Title;
elif IsBound( autodoc.files ) and Length( autodoc.files ) > 0 then
pkg := autodoc.files[ 1 ];
while Position( pkg, '/' ) <> fail do
Remove( pkg, 1 );
od;
while Position( pkg, '.' ) <> fail do
Remove( pkg, Length( pkg ) );
od;
else
Error( "could not figure out a title." );
fi;
if not IsString( pkg ) then
pkg := JoinStringsWithSeparator( pkg, " " );
fi;
gapdoc.main := ReplacedString( pkg, " ", "_" );
gapdoc.bookname := ReplacedString( pkg, " ", "_" );
fi;
#
# Generate scaffold
#
gapdoc_latex_option_record := rec( );
if IsBound( scaffold ) then
## Syntax is [ "class", [ "options" ] ]
if IsBound( scaffold.document_class ) then
position_document_class := PositionSublist( GAPDoc2LaTeXProcs.Head, "documentclass" );
if IsString( scaffold.document_class ) then
scaffold.document_class := [ scaffold.document_class ];
fi;
if position_document_class = fail then
Error( "something is wrong with the LaTeX header" );
fi;
GAPDoc2LaTeXProcs.Head := Concatenation(
GAPDoc2LaTeXProcs.Head{[ 1 .. PositionSublist( GAPDoc2LaTeXProcs.Head, "{", position_document_class ) ]},
scaffold.document_class[ 1 ],
GAPDoc2LaTeXProcs.Head{[ PositionSublist( GAPDoc2LaTeXProcs.Head, "}", position_document_class ) .. Length( GAPDoc2LaTeXProcs.Head ) ]} );
if Length( scaffold.document_class ) = 2 then
GAPDoc2LaTeXProcs.Head := Concatenation(
GAPDoc2LaTeXProcs.Head{[ 1 .. PositionSublist( GAPDoc2LaTeXProcs.Head, "[", position_document_class ) ]},
scaffold.document_class[ 2 ],
GAPDoc2LaTeXProcs.Head{[ PositionSublist( GAPDoc2LaTeXProcs.Head, "]", position_document_class ) .. Length( GAPDoc2LaTeXProcs.Head ) ]} );
fi;
fi;
if IsBound( scaffold.latex_header_file ) then
GAPDoc2LaTeXProcs.Head := StringFile( scaffold.latex_header_file );
fi;
if IsBound( scaffold.gapdoc_latex_options ) then
if IsRecord( scaffold.gapdoc_latex_options ) then
for i in RecNames( scaffold.gapdoc_latex_options ) do
if not IsString( scaffold.gapdoc_latex_options.( i ) )
and IsList( scaffold.gapdoc_latex_options.( i ) )
and LowercaseString( scaffold.gapdoc_latex_options.( i )[ 1 ] ) = "file" then
scaffold.gapdoc_latex_options.( i ) := StringFile( scaffold.gapdoc_latex_options.( i )[ 2 ] );
fi;
od;
gapdoc_latex_option_record := scaffold.gapdoc_latex_options;
fi;
fi;
if not IsBound( scaffold.includes ) then
scaffold.includes := [ ];
fi;
if IsBound( autodoc ) then
# If scaffold.includes is already set, then we add
# AutoDocMainFile.xml to it, but *only* if it not already
# there. This way, package authors can control where
# it is put in their includes list.
if not "AutoDocMainFile.xml" in scaffold.includes then
Add( scaffold.includes, "AutoDocMainFile.xml" );
fi;
fi;
if IsBound( scaffold.bib ) and IsBool( scaffold.bib ) then
if scaffold.bib = true then
scaffold.bib := Concatenation( pkg, ".bib" );
else
Unbind( scaffold.bib );
fi;
elif not IsBound( scaffold.bib ) then
# If there is a doc/PKG.bib file, assume that we want to reference it in the scaffold.
if IsReadableFile( Filename( doc_dir, Concatenation( pkg, ".bib" ) ) ) then
scaffold.bib := Concatenation( pkg, ".bib" );
fi;
fi;
AUTODOC_WriteOnce( scaffold, "index", true );
if IsBound( gapdoc ) then
if AUTODOC_GetSuffix( gapdoc.main ) = "xml" then
scaffold.main_xml_file := gapdoc.main;
else
scaffold.main_xml_file := Concatenation( gapdoc.main, ".xml" );
fi;
fi;
# TODO: It should be possible to only rebuild the title page. (Perhaps also only the main page? but this is less important)
if IsBound( scaffold.TitlePage ) then
if IsRecord( scaffold.TitlePage ) then
title_page := scaffold.TitlePage;
else
title_page := rec( );
fi;
AUTODOC_WriteOnce( title_page, "dir", doc_dir );
AUTODOC_APPEND_RECORD_WRITEONCE( title_page, tree!.TitlePage );
if not is_worksheet then
AUTODOC_APPEND_RECORD_WRITEONCE( title_page, ExtractTitleInfoFromPackageInfo( pkg ) );
fi;
CreateTitlePage( title_page );
fi;
if IsBound( scaffold.MainPage ) and scaffold.MainPage <> false then
scaffold.dir := doc_dir;
scaffold.book_name := pkg;
CreateMainPage( scaffold );
fi;
fi;
#
# Run AutoDoc
#
if IsBound( autodoc ) then
WriteDocumentation( tree, doc_dir );
fi;
#
# Run GAPDoc
#
if IsBound( gapdoc ) then
# Ask GAPDoc to use UTF-8 as input encoding for LaTeX, as the XML files
# of the documentation are also in UTF-8 encoding, and may contain characters
# not contained in the default Latin 1 encoding.
SetGapDocLaTeXOptions( "utf8", gapdoc_latex_option_record );
MakeGAPDocDoc( doc_dir, gapdoc.main, gapdoc.files, gapdoc.bookname, "MathJax" );
CopyHTMLStyleFiles( Filename( doc_dir, "" ) );
# The following (undocumented) API is there for compatibility
# with old-style gapmacro.tex based package manuals. It
# produces a manual.lab file which those packages can use if
# they wish to link to things in the manual we are currently
# generating. This can probably be removed eventually, but for
# now, doing it does not hurt.
# FIXME: It seems that this command does not work if pdflatex
# is not present. Maybe we should remove it.
if not is_worksheet then
GAPDocManualLab( pkg );
fi;
fi;
if IsBound( maketest ) then
AUTODOC_WriteOnce( maketest, "filename", "maketest.g" );
AUTODOC_WriteOnce( maketest, "folder", pkg_dir );
AUTODOC_WriteOnce( maketest, "scan_dir", doc_dir );
AUTODOC_WriteOnce( maketest, "files_to_scan", gapdoc.files );
if IsString( maketest.folder ) then
maketest.folder := Directory( maketest.folder );
fi;
if IsString( maketest.scan_dir ) then
maketest.scan_dir := Directory( maketest.scan_dir );
fi;
AUTODOC_WriteOnce( maketest, "commands", [ ] );
AUTODOC_WriteOnce( maketest, "book_name", gapdoc.main );
CreateMakeTest( maketest );
fi;
return true;
end );