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571 lines
17 KiB
C++
571 lines
17 KiB
C++
/**
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* \file ExternalSupport.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Asger Alstrup Nielsen
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "ExternalSupport.h"
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#include "ExternalTemplate.h"
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#include "ExternalTransforms.h"
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#include "InsetExternal.h"
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#include "Buffer.h"
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#include "Converter.h"
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#include "ErrorList.h"
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#include "Exporter.h"
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#include "Format.h"
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#include "Mover.h"
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#include "texstream.h"
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#include "frontends/alert.h"
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#include "support/debug.h"
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#include "support/filetools.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/os.h"
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#include "support/Package.h"
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#include <algorithm>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace external {
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Template const * getTemplatePtr(InsetExternalParams const & params)
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{
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TemplateManager const & etm = TemplateManager::get();
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return etm.getTemplateByName(params.templatename());
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}
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void editExternal(InsetExternalParams const & params, Buffer const & buffer)
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{
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theFormats().edit(buffer, params.filename,
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theFormats().getFormatFromFile(params.filename));
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}
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namespace {
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string const subst_path(string const & input,
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string const & placeholder,
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string const & path,
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bool use_latex_path,
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latex_path_extension ext = PROTECT_EXTENSION,
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latex_path_dots dots = LEAVE_DOTS)
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{
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if (input.find(placeholder) == string::npos)
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return input;
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// Don't use external_path here when use_latex_path is false, as the
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// path will be compared with another one in internal style later
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// in Converters::move.
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string const path2 = use_latex_path ?
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latex_path(path, ext, dots) : path;
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return subst(input, placeholder, path2);
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}
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} // namespace
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string const doSubstitution(InsetExternalParams const & params,
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Buffer const & buffer, string const & s,
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bool use_latex_path,
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bool external_in_tmpdir,
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Substitute what)
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{
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string result = s;
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if (what != PATHS && contains(result, "$$pngOrjpg")) {
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// This is for raster images and pdflatex:
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// Since pdflatex supports both jpg and png, we choose the best format:
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// jpg if the original file is jpg to retain the compression, else png.
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string format = theFormats().getFormatFromFile(params.filename);
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if (format == "jpg")
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result = subst(result, "$$pngOrjpg", "jpg");
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else
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result = subst(result, "$$pngOrjpg", "png");
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}
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if (what == FORMATS)
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return result;
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Buffer const * masterBuffer = buffer.masterBuffer();
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string const parentpath = external_in_tmpdir ?
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masterBuffer->temppath() :
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buffer.filePath();
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string const filename = external_in_tmpdir ?
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params.filename.mangledFileName() :
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params.filename.outputFileName(parentpath);
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string const basename = changeExtension(
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onlyFileName(filename), string());
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string const absname = makeAbsPath(filename, parentpath).absFileName();
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if (what != ALL_BUT_PATHS) {
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string const filepath = onlyPath(filename);
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string const abspath = onlyPath(absname);
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string const masterpath = external_in_tmpdir ?
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masterBuffer->temppath() :
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masterBuffer->filePath();
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// FIXME UNICODE
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string relToMasterPath = onlyPath(
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to_utf8(makeRelPath(from_utf8(absname),
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from_utf8(masterpath))));
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if (relToMasterPath == "./")
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relToMasterPath.clear();
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// FIXME UNICODE
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string relToParentPath = onlyPath(
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to_utf8(makeRelPath(from_utf8(absname),
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from_utf8(parentpath))));
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if (relToParentPath == "./")
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relToParentPath.clear();
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result = subst_path(result, "$$FPath", filepath,
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use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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result = subst_path(result, "$$AbsPath", abspath,
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use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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result = subst_path(result, "$$RelPathMaster",
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relToMasterPath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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result = subst_path(result, "$$RelPathParent",
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relToParentPath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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if (FileName::isAbsolute(filename)) {
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result = subst_path(result, "$$AbsOrRelPathMaster",
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abspath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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result = subst_path(result, "$$AbsOrRelPathParent",
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abspath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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} else {
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result = subst_path(result, "$$AbsOrRelPathMaster",
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relToMasterPath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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result = subst_path(result, "$$AbsOrRelPathParent",
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relToParentPath, use_latex_path,
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PROTECT_EXTENSION,
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ESCAPE_DOTS);
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}
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}
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if (what == PATHS)
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return result;
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result = subst_path(result, "$$FName", filename, use_latex_path,
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EXCLUDE_EXTENSION);
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result = subst_path(result, "$$Basename", basename, use_latex_path,
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PROTECT_EXTENSION, ESCAPE_DOTS);
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result = subst_path(result, "$$Extension",
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'.' + getExtension(filename), use_latex_path);
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result = subst_path(result, "$$Tempname", params.tempname().absFileName(), use_latex_path);
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result = subst_path(result, "$$Sysdir",
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package().system_support().absFileName(), use_latex_path);
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// Handle the $$Contents(filename) syntax
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if (contains(result, "$$Contents(\"")) {
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// Since use_latex_path may be true we must extract the file
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// name from s instead of result and do the substitutions
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// again, this time with use_latex_path false.
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size_t const spos = s.find("$$Contents(\"");
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size_t const send = s.find("\")", spos);
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string const file_template = s.substr(spos + 12, send - (spos + 12));
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string const file = doSubstitution(params, buffer,
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file_template, false,
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external_in_tmpdir, what);
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string contents;
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FileName const absfile(
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makeAbsPath(file, masterBuffer->temppath()));
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if (absfile.isReadableFile())
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// FIXME UNICODE
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contents = to_utf8(absfile.fileContents("UTF-8"));
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size_t const pos = result.find("$$Contents(\"");
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size_t const end = result.find("\")", pos);
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result.replace(pos, end + 2- pos, contents);
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}
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return result;
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}
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namespace {
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/** update the file represented by the template.
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If \p external_in_tmpdir == true, then the generated file is
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placed in the buffer's temporary directory.
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*/
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RetVal updateExternal(InsetExternalParams const & params,
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string const & format,
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Buffer const & buffer,
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ExportData & exportdata,
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bool external_in_tmpdir,
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bool dryrun)
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{
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Template const * const et_ptr = getTemplatePtr(params);
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if (!et_ptr)
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return FAILURE;
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Template const & et = *et_ptr;
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if (!et.automaticProduction)
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return NOT_NEEDED;
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Template::Formats::const_iterator cit = et.formats.find(format);
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if (cit == et.formats.end())
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return FAILURE;
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Template::Format const & outputFormat = cit->second;
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if (outputFormat.updateResult.empty())
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return NOT_NEEDED;
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string from_format = et.inputFormat;
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if (from_format.empty())
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return NOT_NEEDED;
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if (from_format == "*") {
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if (params.filename.empty())
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return NOT_NEEDED;
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// Try and ascertain the file format from its contents.
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from_format = theFormats().getFormatFromFile(params.filename);
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if (from_format.empty())
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return FAILURE;
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}
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string const to_format = doSubstitution(params, buffer,
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outputFormat.updateFormat, false, external_in_tmpdir, FORMATS);
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if (to_format.empty())
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return NOT_NEEDED;
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// The master buffer. This is useful when there are multiple levels
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// of include files
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Buffer const * masterBuffer = buffer.masterBuffer();
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// We copy the source file to the temp dir and do the conversion
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// there if necessary
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bool const isDir = params.filename.isDirectory();
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FileName const temp_file(
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makeAbsPath(params.filename.mangledFileName(),
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masterBuffer->temppath()));
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if (!params.filename.empty() && !isDir) {
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unsigned long const from_checksum = params.filename.checksum();
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unsigned long const temp_checksum = temp_file.checksum();
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if (from_checksum != temp_checksum) {
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Mover const & mover = getMover(from_format);
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if (!mover.copy(params.filename, temp_file)) {
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LYXERR(Debug::EXTERNAL, "external::updateExternal. "
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<< "Unable to copy " << params.filename << " to " << temp_file);
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return FAILURE;
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}
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}
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}
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// the generated file (always in the temp dir)
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string const to_file = doSubstitution(params, buffer,
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outputFormat.updateResult,
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false, true);
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FileName const abs_to_file(
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makeAbsPath(to_file, masterBuffer->temppath()));
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if (!dryrun) {
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// Record the referenced files for the exporter.
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// The exporter will copy them to the export dir.
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typedef Template::Format::FileMap FileMap;
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FileMap::const_iterator rit = outputFormat.referencedFiles.begin();
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FileMap::const_iterator rend = outputFormat.referencedFiles.end();
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for (; rit != rend; ++rit) {
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vector<string>::const_iterator fit = rit->second.begin();
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vector<string>::const_iterator fend = rit->second.end();
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for (; fit != fend; ++fit) {
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FileName const source(makeAbsPath(
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doSubstitution(params, buffer, *fit,
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false, true),
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masterBuffer->temppath()));
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// The path of the referenced file is never the
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// temp path, but the filename may be the mangled
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// or the real name. Therefore we substitute the
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// paths and names separately.
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string file = subst(*fit, "$$FName",
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"$$FPath$$Basename$$Extension");
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file = doSubstitution(params, buffer, file, false, false,
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PATHS);
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file = doSubstitution(params, buffer, file,
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false, external_in_tmpdir,
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ALL_BUT_PATHS);
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// if file is a relative name, it is interpreted
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// relative to the master document.
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if (makeAbsPath(file, masterBuffer->filePath()) !=
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params.filename.absFileName())
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exportdata.addExternalFile(rit->first, source, file);
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}
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}
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}
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// Do we need to perform the conversion?
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// Yes if to_file does not exist or if from_file is newer than to_file
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// or if from_file is a directory (bug 9925)
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if (!isDir && compare_timestamps(temp_file, abs_to_file) < 0)
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return SUCCESS;
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// FIXME (Abdel 12/08/06): Is there a need to show these errors?
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ErrorList el;
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Converters::RetVal const success =
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theConverters().convert(&buffer, temp_file, abs_to_file,
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params.filename, from_format, to_format, el,
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Converters::try_default | Converters::try_cache);
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switch (success) {
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case Converters::SUCCESS:
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return SUCCESS;
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case Converters::FAILURE:
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LYXERR(Debug::EXTERNAL, "external::updateExternal. "
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<< "Unable to convert from " << from_format << " to " << to_format);
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return FAILURE;
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case Converters::KILLED:
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return KILLED;
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}
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// squash warning
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return SUCCESS;
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}
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string const substituteCommands(InsetExternalParams const & params,
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string const & input, string const & format);
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string const substituteOptions(InsetExternalParams const & params,
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string const & input, string const & format);
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} // namespace
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RetVal writeExternal(InsetExternalParams const & params,
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string const & format,
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Buffer const & buffer, otexstream & os,
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ExportData & exportdata,
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bool external_in_tmpdir,
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bool dryrun)
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{
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Template const * const et_ptr = getTemplatePtr(params);
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if (!et_ptr)
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return FAILURE;
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Template const & et = *et_ptr;
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Template::Formats::const_iterator cit = et.formats.find(format);
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if (cit == et.formats.end()) {
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LYXERR(Debug::EXTERNAL, "External template format '" << format
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<< "' not specified in template " << params.templatename());
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return FAILURE;
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}
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if (!dryrun || contains(cit->second.product, "$$Contents")) {
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RetVal const success =
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updateExternal(params, format, buffer, exportdata,
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external_in_tmpdir, dryrun);
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if (success == FAILURE || success == KILLED)
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return success;
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}
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bool const use_latex_path = format == "LaTeX";
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string str = doSubstitution(params, buffer, cit->second.product,
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use_latex_path, external_in_tmpdir);
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string const absname = makeAbsPath(
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params.filename.outputFileName(buffer.filePath()), buffer.filePath()).absFileName();
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if (!dryrun && !external_in_tmpdir) {
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if (!isValidLaTeXFileName(absname)) {
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lyx::frontend::Alert::warning(_("Invalid filename"),
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_("The following filename will cause troubles "
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"when running the exported file through LaTeX: ") +
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from_utf8(absname));
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}
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if (!isValidDVIFileName(absname)) {
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lyx::frontend::Alert::warning(_("Problematic filename for DVI"),
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_("The following filename can cause troubles "
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"when running the exported file through LaTeX "
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"and opening the resulting DVI: ") +
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from_utf8(absname), true);
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}
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}
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str = substituteCommands(params, str, format);
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str = substituteOptions(params, str, format);
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// FIXME UNICODE
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os << from_utf8(str);
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return SUCCESS;
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}
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namespace {
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// Empty template, specialised below.
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template <typename TransformType>
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string const substituteIt(string const &,
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TransformID,
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string const &,
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Template::Format const &,
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InsetExternalParams const &);
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template <>
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string const substituteIt<TransformCommand>(string const & input,
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TransformID id,
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string const & /* formatname */,
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Template::Format const & format,
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InsetExternalParams const & params)
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{
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typedef map<TransformID, TransformStore> Transformers;
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Transformers::const_iterator it = format.command_transformers.find(id);
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if (it == format.command_transformers.end())
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return input;
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TransformStore const & store = it->second;
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TransformCommand::ptr_type ptr;
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if (id == Rotate)
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ptr = store.getCommandTransformer(params.rotationdata);
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else if (id == Resize)
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ptr = store.getCommandTransformer(params.resizedata);
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if (!ptr)
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return input;
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string result =
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subst(input, ptr->front_placeholder(), ptr->front());
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return subst(result, ptr->back_placeholder(), ptr->back());
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}
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template <>
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string const substituteIt<TransformOption>(string const & input,
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TransformID id,
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string const & fname,
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Template::Format const & format,
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InsetExternalParams const & params)
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{
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typedef map<TransformID, TransformStore> Transformers;
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Transformers::const_iterator it = format.option_transformers.find(id);
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if (it == format.option_transformers.end())
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return input;
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TransformStore const & store = it->second;
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TransformOption::ptr_type ptr;
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switch (id) {
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case Clip:
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ptr = store.getOptionTransformer(params.clipdata);
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break;
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case Extra:
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ptr = store.getOptionTransformer(params.extradata.get(fname));
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break;
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case Rotate:
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ptr = store.getOptionTransformer(params.rotationdata);
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break;
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case Resize:
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ptr = store.getOptionTransformer(params.resizedata);
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break;
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case None:
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break;
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}
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if (!ptr)
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return input;
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return subst(input, ptr->placeholder(), ptr->option());
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}
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template <typename TransformerType>
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string const transformIt(InsetExternalParams const & params,
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string const & s, string const & formatname)
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{
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Template const * const et = getTemplatePtr(params);
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if (!et || et->transformIds.empty())
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return s;
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Template::Formats::const_iterator fit = et->formats.find(formatname);
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if (fit == et->formats.end())
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return s;
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string result = s;
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Template::Format const & format = fit->second;
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typedef vector<TransformID> TransformsIDs;
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TransformsIDs::const_iterator it = et->transformIds.begin();
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TransformsIDs::const_iterator end = et->transformIds.end();
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for (; it != end; ++it) {
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result = substituteIt<TransformerType>(result, *it, formatname,
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format, params);
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}
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return result;
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}
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string const substituteCommands(InsetExternalParams const & params,
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string const & input, string const & format)
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{
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return transformIt<TransformCommand>(params, input, format);
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|
}
|
|
|
|
|
|
string const substituteOption(InsetExternalParams const & params,
|
|
string const & input, string const & format)
|
|
{
|
|
string opt = transformIt<TransformOption>(params, input, format);
|
|
|
|
if (format == "LaTeX" || format == "PDFLaTeX")
|
|
return sanitizeLatexOption(opt);
|
|
if (format == "DocBook")
|
|
return sanitizeDocBookOption(opt);
|
|
return opt;
|
|
}
|
|
|
|
|
|
string const substituteOptions(InsetExternalParams const & params,
|
|
string const & input, string const & format)
|
|
{
|
|
string output = input;
|
|
|
|
Template const * const et = getTemplatePtr(params);
|
|
if (!et || et->transformIds.empty())
|
|
return output;
|
|
|
|
Template::Formats::const_iterator fit = et->formats.find(format);
|
|
if (fit == et->formats.end() || fit->second.options.empty())
|
|
return output;
|
|
|
|
typedef vector<Template::Option> Options;
|
|
Options const & options = fit->second.options;
|
|
Options::const_iterator it = options.begin();
|
|
Options::const_iterator end = options.end();
|
|
for (; it != end; ++it) {
|
|
string const opt = substituteOption(params, it->option, format);
|
|
string const placeholder = "$$" + it->name;
|
|
output = subst(output, placeholder, opt);
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
} // namespace external
|
|
|
|
} // namespace lyx
|