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unsigned char <-> char

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2529 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2001-08-17 10:21:37 +00:00
parent 77dca4f3bc
commit 88b346dd3a
1 changed files with 35 additions and 28 deletions
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63
src/mathed/math_parser.C
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@ -107,7 +107,14 @@ enum CatCode {
catInvalid // 15 <delete>
};
CatCode catcode[256];
CatCode theCatcode[256];
inline CatCode catcode(unsigned char c)
{
return theCatcode[c];
}
const unsigned char LM_TK_OPEN = '{';
const unsigned char LM_TK_CLOSE = '}';
@ -128,27 +135,27 @@ enum {
void catInit()
{
for (int i = 0; i <= 255; ++i)
catcode[i] = catOther;
theCatcode[i] = catOther;
for (int i = 'a'; i <= 'z'; ++i)
catcode[i] = catLetter;
theCatcode[i] = catLetter;
for (int i = 'A'; i <= 'Z'; ++i)
catcode[i] = catLetter;
theCatcode[i] = catLetter;
catcode['\\'] = catEscape;
catcode['{'] = catBegin;
catcode['}'] = catEnd;
catcode['$'] = catMath;
catcode['&'] = catAlign;
catcode['\n'] = catNewline;
catcode['#'] = catParameter;
catcode['^'] = catSuper;
catcode['_'] = catSub;
catcode[''] = catIgnore;
catcode[' '] = catSpace;
catcode['\t'] = catSpace;
catcode['\r'] = catSpace;
catcode['~'] = catActive;
catcode['%'] = catComment;
theCatcode['\\'] = catEscape;
theCatcode['{'] = catBegin;
theCatcode['}'] = catEnd;
theCatcode['$'] = catMath;
theCatcode['&'] = catAlign;
theCatcode['\n'] = catNewline;
theCatcode['#'] = catParameter;
theCatcode['^'] = catSuper;
theCatcode['_'] = catSub;
theCatcode[''] = catIgnore;
theCatcode[' '] = catSpace;
theCatcode['\t'] = catSpace;
theCatcode['\r'] = catSpace;
theCatcode['~'] = catActive;
theCatcode['%'] = catComment;
}
@ -384,14 +391,14 @@ void Parser::tokenize(string const & buffer)
istringstream is(buffer, ios::in || ios::binary);
unsigned char c;
char c;
while (is.get(c)) {
switch (catcode[c]) {
switch (catcode(c)) {
case catNewline: {
++lineno_;
is.get(c);
if (catcode[c] == catNewline)
if (catcode(c) == catNewline)
; //push_back(Token("par"));
else {
push_back(Token(' ',catSpace));
@ -401,7 +408,7 @@ void Parser::tokenize(string const & buffer)
}
case catComment: {
while (is.get(c) && catcode[c] != catNewline)
while (is.get(c) && catcode(c) != catNewline)
;
++lineno_;
break;
@ -410,11 +417,11 @@ void Parser::tokenize(string const & buffer)
case catEscape: {
is.get(c);
string s(1, c);
if (catcode[c] == catLetter) {
while (is.get(c) && catcode[c] == catLetter)
if (catcode(c) == catLetter) {
while (is.get(c) && catcode(c) == catLetter)
s += c;
if (catcode[c] == catSpace)
while (is.get(c) && catcode[c] == catSpace)
if (catcode(c) == catSpace)
while (is.get(c) && catcode(c) == catSpace)
;
is.putback(c);
}
@ -423,7 +430,7 @@ void Parser::tokenize(string const & buffer)
}
default:
push_back(Token(c, catcode[c]));
push_back(Token(c, catcode(c)));
}
}