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preamble.cpp: as promised and announced:

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- fix the buggy language find routine I had to revert two days ago (the current is crash free but leads to wrong imported multi-language files)
 - the fix only makes sense with the remaining language stuff (babel-only, the document language stuff was already in trunk but could be overwritten because of the missing babel-only support.)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_5_X@22073 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Uwe Stöhr 2007-12-11 00:39:29 +00:00
parent 3fd3088e06
commit fc39fb8caa
1 changed files with 93 additions and 16 deletions
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109
src/tex2lyx/preamble.cpp
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@ -50,6 +50,12 @@ extern std::map<char, int> special_columns;
std::map<string, vector<string> > used_packages;
// needed to handle encodings with babel
bool one_language = true;
// to avoid that the babel options overwrite the documentclass options
bool documentclass_language;
namespace {
const char * const known_languages[] = { "afrikaans", "american", "austrian",
@ -67,7 +73,12 @@ const char * const known_languages[] = { "afrikaans", "american", "austrian",
"thai", "turkish", "ukraineb", "ukrainian", "usorbian", "welsh", 0};
const char * const known_french_languages[] = {"french", "frenchb", "francais",
"frenchle", "frenchpro", 0};
"frenchle", "frenchpro", 0};
const char * const known_german_languages[] = {"german", "germanb", 0};
const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
const char * const known_russian_languages[] = {"russian", "russianb", 0};
const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
@ -120,19 +131,40 @@ void handle_opt(vector<string> & opts, char const * const * what, string & targe
if (opts.empty())
return;
// the last language option is the document language (for babel and LyX)
// the last size option is the document font size
vector<string>::iterator it;
vector<string>::iterator position = opts.begin();
for (; *what; ++what) {
it = find(opts.begin(), opts.end(), *what);
if (it != opts.end()) {
target = *what;
// remove found options from the list
opts.erase(it);
return;
documentclass_language = true;
if (it >= position) {
target = *what;
position = it;
}
}
}
}
void delete_opt(vector<string> & opts, char const * const * what)
{
if (opts.empty())
return;
// remove found options from the list
// do this after handle_opt to avoid potential memory leaks and to be able
// to find in every case the last language option
vector<string>::iterator it;
for (; *what; ++what) {
it = find(opts.begin(), opts.end(), *what);
if (it != opts.end())
opts.erase(it);
}
}
/*!
* Split a package options string (keyval format) into a vector.
* Example input:
@ -246,14 +278,41 @@ void handle_package(string const & name, string const & opts)
else if (name == "amsmath" || name == "amssymb")
h_use_amsmath = "1";
else if (name == "babel")
; // ignore this
else if (name == "babel" && !opts.empty()) {
// check if more than one option was used - used later for inputenc
// in case inputenc is parsed before babel, set the encoding to auto
if (options.begin() != options.end() - 1) {
one_language = false;
h_inputencoding = "auto";
}
// only set the document language when there was not already one set
// via the documentclass options
// babel takes the the last language given in the documentclass options
// as document language. If there is no such language option, the last
// option of its \usepackage call is used.
if (documentclass_language == false) {
handle_opt(options, known_languages, h_language);
delete_opt(options, known_languages);
if (is_known(h_language, known_french_languages))
h_language = "french";
else if (is_known(h_language, known_german_languages))
h_language = "german";
else if (is_known(h_language, known_ngerman_languages))
h_language = "ngerman";
else if (is_known(h_language, known_russian_languages))
h_language = "russian";
else if (is_known(h_language, known_ukrainian_languages))
h_language = "ukrainian";
h_quotes_language = h_language;
}
}
else if (name == "fontenc")
; // ignore this
else if (name == "inputenc") {
// only set when there is not more than one inputenc option
// therefore check for the "," character
if (opts.find(",") == string::npos)
// also only set when there is not more then one babel language option
if (opts.find(",") == string::npos && one_language == true)
h_inputencoding = opts;
options.clear();
} else if (name == "makeidx")
@ -263,13 +322,19 @@ void handle_package(string const & name, string const & opts)
else if (name == "graphicx")
; // ignore this
else if (is_known(name, known_languages)) {
if (is_known(name, known_french_languages)) {
if (is_known(name, known_french_languages))
h_language = "french";
h_quotes_language = "french";
} else {
else if (is_known(name, known_german_languages))
h_language = "german";
else if (is_known(name, known_ngerman_languages))
h_language = "ngerman";
else if (is_known(name, known_russian_languages))
h_language = "russian";
else if (is_known(name, known_ukrainian_languages))
h_language = "ukrainian";
else
h_language = name;
h_quotes_language = name;
}
h_quotes_language = h_language;
} else if (name == "natbib") {
h_cite_engine = "natbib_authoryear";
@ -470,14 +535,26 @@ TextClass const parse_preamble(Parser & p, ostream & os, string const & forcecla
else if (t.cs() == "documentclass") {
vector<string> opts = split_options(p.getArg('[', ']'));
handle_opt(opts, known_languages, h_language);
if (is_known(h_language, known_french_languages))
h_language = "french";
handle_opt(opts, known_fontsizes, h_paperfontsize);
delete_opt(opts, known_fontsizes);
// delete "pt" at the end
string::size_type i = h_paperfontsize.find("pt");
if (i != string::npos)
h_paperfontsize.erase(i);
// to avoid that the babel options overwrite the documentclass options
documentclass_language = false;
handle_opt(opts, known_languages, h_language);
delete_opt(opts, known_languages);
if (is_known(h_language, known_french_languages))
h_language = "french";
else if (is_known(h_language, known_german_languages))
h_language = "german";
else if (is_known(h_language, known_ngerman_languages))
h_language = "ngerman";
else if (is_known(h_language, known_russian_languages))
h_language = "russian";
else if (is_known(h_language, known_ukrainian_languages))
h_language = "ukrainian";
h_quotes_language = h_language;
h_options = join(opts, ",");
h_textclass = p.getArg('{', '}');