* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author John Levon
*
#include <config.h>
#include "Lexer.h"
+#include "Format.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/FileName.h"
#include "support/filetools.h"
#include "support/gzstream.h"
+#include "support/lassert.h"
#include "support/lstrings.h"
#include "support/lyxalgo.h"
#include "support/types.h"
{
string const tmpmsg = subst(message, "$$Token", getString());
lyxerr << "LyX: " << tmpmsg << " [around line " << lineno
- << " of file " << to_utf8(makeDisplayPath(name)) << ']' << endl;
+ << " of file " << to_utf8(makeDisplayPath(name))
+ << " current token: '" << getString() << "'"
+ << " context: '" << context << "']" << endl;
}
bool Lexer::Pimpl::setFile(FileName const & filename)
{
// Check the format of the file.
- string const format = filename.guessFormatFromContents();
-
- if (format == "gzip" || format == "zip" || format == "compress") {
+ if (formats.isZippedFile(filename)) {
LYXERR(Debug::LYXLEX, "lyxlex: compressed");
// The check only outputs a debug message, because it triggers
// a bug in compaq cxx 6.2, where is_open() returns 'true' for
"file or stream already set.");
gz_.open(filename.toFilesystemEncoding().c_str(), ios::in);
is.rdbuf(&gz_);
- name = filename.absFilename();
+ name = filename.absFileName();
lineno = 0;
- return gz_.is_open() && is.good();
+ if (!gz_.is_open() || !is.good())
+ return false;
} else {
LYXERR(Debug::LYXLEX, "lyxlex: UNcompressed");
LYXERR(Debug::LYXLEX, "Error in Lexer::setFile: "
"file or stream already set.");
}
- fb_.open(filename.toFilesystemEncoding().c_str(), ios::in);
+ fb_.open(filename.toSafeFilesystemEncoding().c_str(), ios::in);
is.rdbuf(&fb_);
- name = filename.absFilename();
+ name = filename.absFileName();
lineno = 0;
- return fb_.is_open() && is.good();
+ if (!fb_.is_open() || !is.good())
+ return false;
+ }
+
+ // Skip byte order mark.
+ if (is.peek() == 0xef) {
+ is.get();
+ if (is.peek() == 0xbb) {
+ is.get();
+ LASSERT(is.get() == 0xbf, /**/);
+ } else
+ is.unget();
}
+
+ return true;
}
is.get(cc);
c = cc;
- // skip ','s
- if (esc && c == ',')
- continue;
-
-
if (c == commentChar) {
// Read rest of line (fast :-)
#if 1
break;
}
- if (!esc && c == ',')
+ if (c == ',')
continue; /* Skip ','s */
- // using relational operators with chars other
- // than == and != is not safe. And if it is done
- // the type _have_ to be unsigned. It usually a
- // lot better to use the functions from cctype
+ // using relational operators with chars other
+ // than == and != is not safe. And if it is done
+ // the type _have_ to be unsigned. It usually a
+ // lot better to use the functions from cctype
if (c > ' ' && is) {
buff.clear();
status = LEX_TOKEN;
}
- if (!esc && c == '\r' && is) {
+ if (c == '\r' && is) {
// The Windows support has lead to the
// possibility of "\r\n" at the end of
// a line. This will stop LyX choking
is.get(cc);
c = cc;
//LYXERR(Debug::LYXLEX, "Lexer::EatLine read char: `" << c << '\'');
- if (c != '\r')
+ if (c != '\r' && is)
buff.push_back(c);
}
char cc = 0;
is.get(cc);
c = cc;
- if (c >= ' ' && is) {
+ if ((c >= ' ' || c == '\t') && is) {
buff.clear();
if (c == '\\') { // first char == '\\'
buff.push_back(c);
is.get(cc);
c = cc;
- } while (c >= ' ' && c != '\\' && is);
+ } while ((c >= ' ' || c == '\t') && c != '\\' && is);
}
if (c == '\\')
//////////////////////////////////////////////////////////////////////
Lexer::Lexer()
- : pimpl_(new Pimpl(0, 0))
+ : pimpl_(new Pimpl(0, 0)), lastReadOk_(false)
{}
pimpl_->setCommentChar(c);
}
+
int Lexer::lex()
{
return pimpl_->lex();
}
-string const Lexer::getString() const
+string const Lexer::getString(bool trim) const
{
lastReadOk_ = pimpl_->status == LEX_DATA || pimpl_->status == LEX_TOKEN;
if (lastReadOk_)
- return pimpl_->getString();
+ return trim ? support::trim(pimpl_->getString(), "\t ") : pimpl_->getString();
return string();
}
-docstring const Lexer::getDocString() const
+docstring const Lexer::getDocString(bool trim) const
{
lastReadOk_ = pimpl_->status == LEX_DATA || pimpl_->status == LEX_TOKEN;
if (lastReadOk_)
- return pimpl_->getDocString();
+ return trim ? support::trim(pimpl_->getDocString(), "\t ") : pimpl_->getDocString();
return docstring();
}
bool Lexer::getBool() const
{
- if (pimpl_->getString() == "true") {
+ string const s = pimpl_->getString();
+ if (s == "false" || s == "0") {
+ lastReadOk_ = true;
+ return false;
+ }
+ if (s == "true" || s == "1") {
lastReadOk_ = true;
return true;
- } else if (pimpl_->getString() != "false") {
- pimpl_->printError("Bad boolean `$$Token'. "
- "Use \"false\" or \"true\"");
- lastReadOk_ = false;
}
- lastReadOk_ = true;
+ pimpl_->printError("Bad boolean `$$Token'. "
+ "Use \"false\" or \"true\"");
+ lastReadOk_ = false;
return false;
}
}
+Lexer & Lexer::operator>>(char & c)
+{
+ string s;
+ operator>>(s);
+ if (!s.empty())
+ c = s[0];
+ return *this;
+}
+
+
// quotes a string, e.g. for use in preferences files or as an argument
// of the "log" dialog
string Lexer::quoteString(string const & arg)
}
+// same for docstring
+docstring Lexer::quoteString(docstring const & arg)
+{
+ docstring res;
+ res += '"';
+ res += subst(subst(arg, from_ascii("\\"), from_ascii("\\\\")),
+ from_ascii("\""), from_ascii("\\\""));
+ res += '"';
+ return res;
+}
+
+
Lexer & Lexer::operator>>(char const * required)
{
string token;
*this >> token;
if (token != required) {
- LYXERR0("Missing '" << required << "'-tag in " << pimpl_->context);
+ LYXERR0("Missing '" << required << "'-tag in " << pimpl_->context
+ << ". Got " << token << " instead. Line: " << lineNumber());
pushToken(token);
}
return *this;
}
+bool Lexer::checkFor(char const * required)
+{
+ string token;
+ *this >> token;
+ if (token == required)
+ return true;
+ pushToken(token);
+ return false;
+}
+
+
void Lexer::setContext(std::string const & str)
{
pimpl_->context = str;
projects / lyx.git / blobdiff