mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-07 02:28:35 +00:00
let Parser store the stream it is working on
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27457 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
parent
3b0b260aaf
commit
6419342fbf
@ -131,17 +131,22 @@ string Token::asInput() const
|
||||
|
||||
|
||||
Parser::Parser(istream & is)
|
||||
: lineno_(0), pos_(0)
|
||||
: lineno_(0), pos_(0), iss_(0), is_(is)
|
||||
{
|
||||
tokenize(is);
|
||||
tokenize();
|
||||
}
|
||||
|
||||
|
||||
Parser::Parser(string const & s)
|
||||
: lineno_(0), pos_(0)
|
||||
: lineno_(0), pos_(0), iss_(new istringstream(s)), is_(*iss_)
|
||||
{
|
||||
istringstream is(s);
|
||||
tokenize(is);
|
||||
tokenize();
|
||||
}
|
||||
|
||||
|
||||
Parser::~Parser()
|
||||
{
|
||||
delete iss_;
|
||||
}
|
||||
|
||||
|
||||
@ -351,33 +356,33 @@ string const Parser::verbatimEnvironment(string const & name)
|
||||
}
|
||||
|
||||
|
||||
void Parser::tokenize_one(istream & is)
|
||||
void Parser::tokenize_one()
|
||||
{
|
||||
char c;
|
||||
if (!is.get(c))
|
||||
if (!is_.get(c))
|
||||
return;
|
||||
//cerr << "reading c: " << c << "\n";
|
||||
|
||||
switch (catcode(c)) {
|
||||
case catSpace: {
|
||||
string s(1, c);
|
||||
while (is.get(c) && catcode(c) == catSpace)
|
||||
while (is_.get(c) && catcode(c) == catSpace)
|
||||
s += c;
|
||||
if (catcode(c) != catSpace)
|
||||
is.putback(c);
|
||||
is_.putback(c);
|
||||
push_back(Token(s, catSpace));
|
||||
break;
|
||||
}
|
||||
|
||||
case catNewline: {
|
||||
++lineno_;
|
||||
string s(1, getNewline(is, c));
|
||||
while (is.get(c) && catcode(c) == catNewline) {
|
||||
string s(1, getNewline(is_, c));
|
||||
while (is_.get(c) && catcode(c) == catNewline) {
|
||||
++lineno_;
|
||||
s += getNewline(is, c);
|
||||
s += getNewline(is_, c);
|
||||
}
|
||||
if (catcode(c) != catNewline)
|
||||
is.putback(c);
|
||||
is_.putback(c);
|
||||
push_back(Token(s, catNewline));
|
||||
break;
|
||||
}
|
||||
@ -386,11 +391,11 @@ void Parser::tokenize_one(istream & is)
|
||||
// We don't treat "%\n" combinations here specially because
|
||||
// we want to preserve them in the preamble
|
||||
string s;
|
||||
while (is.get(c) && catcode(c) != catNewline)
|
||||
while (is_.get(c) && catcode(c) != catNewline)
|
||||
s += c;
|
||||
// handle possible DOS line ending
|
||||
if (catcode(c) == catNewline)
|
||||
c = getNewline(is, c);
|
||||
c = getNewline(is_, c);
|
||||
// Note: The '%' at the beginning and the '\n' at the end
|
||||
// of the comment are not stored.
|
||||
++lineno_;
|
||||
@ -399,17 +404,17 @@ void Parser::tokenize_one(istream & is)
|
||||
}
|
||||
|
||||
case catEscape: {
|
||||
is.get(c);
|
||||
if (!is) {
|
||||
is_.get(c);
|
||||
if (!is_) {
|
||||
error("unexpected end of input");
|
||||
} else {
|
||||
string s(1, c);
|
||||
if (catcode(c) == catLetter) {
|
||||
// collect letters
|
||||
while (is.get(c) && catcode(c) == catLetter)
|
||||
while (is_.get(c) && catcode(c) == catLetter)
|
||||
s += c;
|
||||
if (catcode(c) != catLetter)
|
||||
is.putback(c);
|
||||
is_.putback(c);
|
||||
}
|
||||
push_back(Token(s, catEscape));
|
||||
}
|
||||
@ -427,7 +432,7 @@ void Parser::tokenize_one(istream & is)
|
||||
}
|
||||
|
||||
|
||||
void Parser::tokenize(istream & is)
|
||||
void Parser::tokenize()
|
||||
{
|
||||
static bool init_done = false;
|
||||
|
||||
@ -436,8 +441,8 @@ void Parser::tokenize(istream & is)
|
||||
init_done = true;
|
||||
}
|
||||
|
||||
while (is)
|
||||
tokenize_one(is);
|
||||
while (is_)
|
||||
tokenize_one();
|
||||
}
|
||||
|
||||
|
||||
|
@ -122,6 +122,8 @@ public:
|
||||
Parser(std::istream & is);
|
||||
///
|
||||
Parser(std::string const & s);
|
||||
///
|
||||
~Parser();
|
||||
|
||||
///
|
||||
int lineno() const { return lineno_; }
|
||||
@ -216,6 +218,10 @@ private:
|
||||
std::vector<Token> tokens_;
|
||||
///
|
||||
unsigned pos_;
|
||||
///
|
||||
std::istringstream * iss_;
|
||||
///
|
||||
std::istream & is_;
|
||||
};
|
||||
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user