lyx_mirror/src/trans.C

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#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "LyXView.h"
#include "trans.h"
#include "support/filetools.h"
#include "support/lstrings.h"
#include "tex-strings.h"
#include "lyxlex.h"
#include "debug.h"
#include "trans_mgr.h"
using std::endl;
// KmodInfo
KmodInfo::KmodInfo()
{
}
// Trans class
Trans::Trans()
{
}
Trans::~Trans()
{
FreeKeymap();
}
void Trans::InsertException(KmodException & exclist, char c,
string const & data, bool flag, tex_accent accent)
{
Keyexc p;
p.c = c;
p.data = data;
p.combined = flag;
p.accent = accent;
exclist.insert(exclist.begin(), p);
// or just
// exclist.push_back(p);
}
void Trans::FreeException(KmodException & exclist)
{
exclist.clear();
}
void Trans::FreeKeymap()
{
kmod_list_.clear();
keymap_.clear();
}
bool Trans::IsDefined() const
{
return !name_.empty();
}
string const & Trans::GetName() const
{
return name_;
}
enum kmaptags_ {
KCOMB = 1,
KMOD,
KMAP,
KXMOD,
K_LAST
};
struct keyword_item kmapTags[K_LAST - 1] = {
{"\\kcomb", KCOMB },
{ "\\kmap", KMAP },
{ "\\kmod", KMOD },
{ "\\kxmod", KXMOD }
};
tex_accent getkeymod(string const &);
void Trans::AddDeadkey(tex_accent accent, string const & keys)
{
KmodInfo tmp;
tmp.data = keys;
tmp.accent = accent;
kmod_list_[accent] = tmp;
for (string::size_type i = 0; i < keys.length(); ++i) {
string tmp;
tmp += char(0);
tmp += char(accent);
keymap_[keys[i]] = tmp;
}
}
int Trans::Load(LyXLex & lex)
{
bool error = false;
while (lex.isOK() && !error) {
switch (lex.lex()) {
case KMOD:
{
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "KMOD:\t" << lex.text() << endl;
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "key\t`" << lex.text()
<< "'" << endl;
} else
return -1;
string const keys = lex.getString();
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "accent\t`" << lex.text()
<< "'" << endl;
} else
return -1;
tex_accent accent = getkeymod(lex.getString());
if (accent == TEX_NOACCENT)
return -1;
#if 1
//#warning This code should be removed...
// But we need to fix up all the kmap files first
// so that this field is not present anymore.
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "allowed\t`" << lex.text()
<< "'" << endl;
} else
return -1;
string const allowed = lex.getString();
AddDeadkey(accent, keys /*, allowed*/);
#else
AddDeadkey(accent, keys);
#endif
break;
}
case KCOMB: {
string str;
lyxerr[Debug::KBMAP] << "KCOMB:" << endl;
if (lex.next(true)) {
str= lex.text();
lyxerr[Debug::KBMAP] << str << endl;
} else
return -1;
tex_accent accent_1 = getkeymod(str);
if (accent_1 == TEX_NOACCENT) return -1;
if (lex.next(true)) {
str = lex.text();
lyxerr[Debug::KBMAP] << str << endl;
} else
return -1;
tex_accent accent_2= getkeymod(str);
if (accent_2 == TEX_NOACCENT) return -1;
std::map<int, KmodInfo>::iterator it1 =
kmod_list_.find(accent_1);
std::map<int, KmodInfo>::iterator it2 =
kmod_list_.find(accent_2);
if (it1 == kmod_list_.end()
|| it2 == kmod_list_.end()) {
return -1;
}
// Find what key accent_2 is on - should
// check about accent_1 also
std::map<int, string>::iterator it = keymap_.begin();
std::map<int, string>::iterator end = keymap_.end();
for (; it != end; ++it) {
if (!it->second.empty()
&& it->second[0] == 0
&& it->second[1] == accent_2)
break;
}
string allowed;
if (lex.next()) {
allowed = lex.getString();
lyxerr[Debug::KBMAP] << "allowed: "
<< allowed << endl;
} else {
return -1;
}
InsertException(kmod_list_[accent_1].exception_list,
static_cast<char>(it->first), allowed,
true, accent_2);
}
break;
case KMAP: {
unsigned char key_from;
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "KMAP:\t" << lex.text() << endl;
if (lex.next(true)) {
key_from = lex.text()[0];
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "\t`" << lex.text() << "'"
<< endl;
} else
return -1;
if (lex.next(true)) {
string string_to = lex.text();
keymap_[key_from] = string_to;
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "\t`" << string_to << "'"
<< endl;
} else
return -1;
break;
}
case KXMOD: {
tex_accent accent;
char key;
string str;
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "KXMOD:\t" << lex.text() << endl;
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "\t`" << lex.text() << "'"
<< endl;
accent = getkeymod(lex.getString());
} else
return -1;
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "\t`" << lex.text() << "'"
<< endl;
key = lex.text()[0];
} else
return -1;
if (lex.next(true)) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "\t`" << lex.text() << "'"
<< endl;
str = lex.text();
} else
return -1;
InsertException(kmod_list_[accent].exception_list,
key, str);
break;
}
case LyXLex::LEX_FEOF:
lyxerr[Debug::PARSER] << "End of parsing" << endl;
break;
default:
lex.printError("ParseKeymapFile: "
"Unknown tag: `$$Token'");
return -1;
}
}
return 0;
}
bool Trans::isAccentDefined(tex_accent accent, KmodInfo & i) const
{
std::map<int, KmodInfo>::const_iterator cit = kmod_list_.find(accent);
if (cit != kmod_list_.end()) {
i = cit->second;
return true;
}
return false;
}
string const Trans::process(char c, TransManager & k)
{
string const t = Match(static_cast<unsigned char>(c));
if (t.empty() && c != 0) {
return k.normalkey(c);
} else if (!t.empty() && t[0] != char(0)) {
//return k.normalkey(c);
return t;
} else {
return k.deadkey(c,
kmod_list_[static_cast<tex_accent>(t[1])]);
}
}
int Trans::Load(string const & language)
{
string const filename = LibFileSearch("kbd", language, "kmap");
if (filename.empty())
return -1;
FreeKeymap();
LyXLex lex(kmapTags, K_LAST-1);
lex.setFile(filename);
int const res = Load(lex);
if (res == 0) {
name_ = language;
} else
name_.erase();
return res;
}
tex_accent getkeymod(string const & p)
/* return modifier - decoded from p and update p */
{
for (int i = 1; i <= TEX_MAX_ACCENT; ++i) {
if (lyxerr.debugging(Debug::KBMAP))
lyxerr << "p = " << p
<< ", lyx_accent_table[" << i
<< "].name = `" << lyx_accent_table[i].name
<< "'" << endl;
if (lyx_accent_table[i].name
&& contains(p, lyx_accent_table[i].name)) {
lyxerr[Debug::KBMAP] << "Found it!" << endl;
return static_cast<tex_accent>(i);
}
}
return TEX_NOACCENT;
}