Revert r27975 and 28105, as they are causing too many problems, e.g.,

that search gets messed up, and that files can take forever to load. 
A better way to do this in in process.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28189 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2009-01-16 23:23:14 +00:00
parent a5ceef887d
commit 7dcc99fb17

View File

@ -38,8 +38,6 @@
#include "support/Path.h"
#include "support/textutils.h"
#include <boost/regex.hpp>
#include <limits>
using namespace std;
@ -531,16 +529,15 @@ namespace {
/// the variable strings.
/// @return true if reading was successfull (all single parts were delimited
/// correctly)
bool readValue(docstring & value, ifdocstream & ifs, const VarMap & strings) {
bool readValue(docstring & val, ifdocstream & ifs, const VarMap & strings) {
char_type ch;
value.clear();
val.clear();
if (!ifs)
return false;
docstring val;
do {
// skip whitespace
do {
@ -596,7 +593,7 @@ namespace {
lastWasWhiteSpace = false;
val += ' ';
}
val += ch;
// update nesting level
@ -657,98 +654,6 @@ namespace {
ifs.putback(ch);
// Ok, we now have the value. Now we are going to go
// through it and replace e.g. \"a with its unicode value.
// We'll also strip commands, like \emph, and the like, so
// it will look nice in the UI.
bool scanning_cmd = false;
bool scanning_math = false;
bool escaped = false; // used to catch \$, etc.
while (val.size()) {
char_type const ch = val[0];
// if we're scanning math, we output everything until we
// find an unescaped $, at which point we break out.
if (scanning_math) {
if (escaped)
escaped = false;
else if (ch == '\\')
escaped = true;
else if (ch == '$')
scanning_math = false;
value += ch;
val = val.substr(1);
continue;
}
// if we're scanning a command name, then we just
// discard characters until we hit something that
// isn't alpha.
if (scanning_cmd) {
if (isAlphaASCII(ch)) {
val = val.substr(1);
escaped = false;
continue;
}
// so we're done with this command.
// now we fall through and check this character.
scanning_cmd = false;
}
// was the last character a \? If so, then this is something like: \\,
// or \$, so we'll just output it. That's probably not always right...
if (escaped) {
value += ch;
val = val.substr(1);
escaped = false;
continue;
}
if (ch == '$') {
value += ch;
val = val.substr(1);
scanning_math = true;
continue;
}
// we just ignore braces
if (ch == '{' || ch == '}') {
val = val.substr(1);
continue;
}
// we're going to check things that look like commands, so if
// this doesn't, just output it.
if (ch != '\\') {
value += ch;
val = val.substr(1);
continue;
}
// ok, could be a command of some sort
// let's see if it corresponds to some unicode
// unicodesymbols has things in the form: \"{u},
// whereas we may see things like: \"u. So we'll
// look for that and change it, if necessary.
static boost::regex const reg("^\\\\\\W\\w");
if (boost::regex_search(to_utf8(val), reg)) {
val.insert(3, from_ascii("}"));
val.insert(2, from_ascii("{"));
}
docstring rem;
docstring const cnvtd = Encodings::fromLaTeXCommand(val, rem);
if (!cnvtd.empty()) {
// it did, so we'll take that bit and proceed with what's left
value += cnvtd;
val = rem;
continue;
}
// it's a command of some sort
scanning_cmd = true;
escaped = true;
val = val.substr(1);
}
return true;
}
}