#include <config.h>
#include "Lexer.h"
-#include "Format.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include "support/lyxalgo.h"
-#include "support/types.h"
+#include <algorithm> // sort, lower_bound
#include <functional>
+#include <fstream>
#include <istream>
#include <stack>
#include <vector>
bool inputAvailable();
///
void pushToken(string const &);
- /// fb_ is only used to open files, the stream is accessed through is.
- filebuf fb_;
-
/// gz_ is only used to open files, the stream is accessed through is.
gz::gzstreambuf gz_;
int lineno;
///
string pushTok;
- ///
- char commentChar;
/// used for error messages
string context;
+ ///
+ char commentChar;
private:
/// non-copyable
Pimpl(Pimpl const &);
public:
///
PushedTable()
- : table_elem(0), table_siz(0) {}
+ : table_elem(nullptr), table_siz(0) {}
///
PushedTable(LexerKeyword * ki, int siz)
: table_elem(ki), table_siz(siz) {}
};
-
namespace {
-class CompareTags
- : public binary_function<LexerKeyword, LexerKeyword, bool> {
-public:
- // used by lower_bound, sort and sorted
- bool operator()(LexerKeyword const & a, LexerKeyword const & b) const
- {
- // we use the ascii version, because in turkish, 'i'
- // is not the lowercase version of 'I', and thus
- // turkish locale breaks parsing of tags.
- return compare_ascii_no_case(a.tag, b.tag) < 0;
- }
-};
+// used by lower_bound, sort and sorted
+bool compareTags(LexerKeyword const & a, LexerKeyword const & b)
+{
+ // we use the ascii version, because in turkish, 'i'
+ // is not the lowercase version of 'I', and thus
+ // turkish locale breaks parsing of tags.
+ return compare_ascii_no_case(a.tag, b.tag) < 0;
+}
+
+} // namespace
-} // end of anon namespace
Lexer::Pimpl::Pimpl(LexerKeyword * tab, int num)
- : is(&fb_), table(tab), no_items(num),
+ : is(&gz_), table(tab), no_items(num),
status(0), lineno(0), commentChar('#')
{
verifyTable();
{
// Check if the table is sorted and if not, sort it.
if (table
- && !lyx::sorted(table, table + no_items, CompareTags())) {
+ && !lyx::sorted(table, table + no_items, &compareTags)) {
lyxerr << "The table passed to Lexer is not sorted!\n"
<< "Tell the developers to fix it!" << endl;
// We sort it anyway to avoid problems.
lyxerr << "\nUnsorted:" << endl;
printTable(lyxerr);
- sort(table, table + no_items, CompareTags());
+ sort(table, table + no_items, &compareTags);
lyxerr << "\nSorted:" << endl;
printTable(lyxerr);
}
bool Lexer::Pimpl::setFile(FileName const & filename)
{
- // Check the format of the file.
- 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
- // a fresh new filebuf. (JMarc)
if (gz_.is_open() || istream::off_type(is.tellg()) > -1)
- LYXERR(Debug::LYXLEX, "Error in LyXLex::setFile: "
- "file or stream already set.");
+ LYXERR0("Error in LyXLex::setFile: file or stream already set.");
gz_.open(filename.toFilesystemEncoding().c_str(), ios::in);
is.rdbuf(&gz_);
name = filename.absFileName();
lineno = 0;
if (!gz_.is_open() || !is.good())
return false;
- } else {
- LYXERR(Debug::LYXLEX, "lyxlex: UNcompressed");
-
- // The check only outputs a debug message, because it triggers
- // a bug in compaq cxx 6.2, where is_open() returns 'true' for
- // a fresh new filebuf. (JMarc)
- if (fb_.is_open() || istream::off_type(is.tellg()) > 0) {
- LYXERR(Debug::LYXLEX, "Error in Lexer::setFile: "
- "file or stream already set.");
- }
- fb_.open(filename.toSafeFilesystemEncoding().c_str(), ios::in);
- is.rdbuf(&fb_);
- name = filename.absFileName();
- lineno = 0;
- if (!fb_.is_open() || !is.good())
- return false;
- }
// Skip byte order mark.
if (is.peek() == 0xef) {
void Lexer::Pimpl::setStream(istream & i)
{
- if (fb_.is_open() || istream::off_type(is.tellg()) > 0) {
- LYXERR(Debug::LYXLEX, "Error in Lexer::setStream: "
- "file or stream already set.");
- }
+ if (gz_.is_open() || istream::off_type(is.tellg()) > 0)
+ LYXERR0("Error in Lexer::setStream: file or stream already set.");
is.rdbuf(i.rdbuf());
lineno = 0;
}
}
- unsigned char c = 0; // getc() returns an int
char cc = 0;
status = 0;
while (is && !status) {
is.get(cc);
- c = cc;
+ unsigned char c = cc;
if (c == commentChar) {
// Read rest of line (fast :-)
if (esc) {
- bool escaped = false;
do {
- escaped = false;
+ bool escaped = false;
is.get(cc);
c = cc;
if (c == '\r') continue;
LexerKeyword search_tag = { tag, 0 };
LexerKeyword * res =
lower_bound(table, table + no_items,
- search_tag, CompareTags());
+ search_tag, &compareTags);
// use the compare_ascii_no_case instead of compare_no_case,
// because in turkish, 'i' is not the lowercase version of 'I',
// and thus turkish locale breaks parsing of tags.
//////////////////////////////////////////////////////////////////////
Lexer::Lexer()
- : pimpl_(new Pimpl(0, 0)), lastReadOk_(false)
+ : pimpl_(new Pimpl(nullptr, 0)), lastReadOk_(false)
{}
// I would prefer to give a tag number instead of an explicit token
// here, but it is not possible because Buffer::readDocument uses
// explicit tokens (JMarc)
-string const Lexer::getLongString(string const & endtoken)
+docstring Lexer::getLongString(docstring const & endtoken)
{
- string str;
- string prefix;
+ docstring str;
+ docstring prefix;
bool firstline = true;
while (pimpl_->is) { //< eatLine only reads from is, not from pushTok
if (!eatLine())
// blank line in the file being read
continue;
+ docstring tmpstr = getDocString();
+ docstring const token = trim(tmpstr, " \t");
- string const token = trim(getString(), " \t");
-
- LYXERR(Debug::PARSER, "LongString: `" << getString() << '\'');
+ LYXERR(Debug::PARSER, "LongString: `" << tmpstr << '\'');
// We do a case independent comparison, like searchKeyword does.
- if (compare_ascii_no_case(token, endtoken) == 0)
+ if (compare_no_case(token, endtoken) == 0)
break;
- string tmpstr = getString();
if (firstline) {
- size_t i = tmpstr.find_first_not_of(' ');
+ size_t i = tmpstr.find_first_not_of(from_ascii(" \t"));
if (i != string::npos)
prefix = tmpstr.substr(0, i);
firstline = false;
// further lines in long strings may have the same
// whitespace prefix as the first line. Remove it.
- if (prefix.length() && prefixIs(tmpstr, prefix))
- tmpstr.erase(0, prefix.length() - 1);
+ if (!prefix.empty() && prefixIs(tmpstr, prefix))
+ tmpstr.erase(0, prefix.length());
- str += ltrim(tmpstr, "\t") + '\n';
+ str += tmpstr + '\n';
}
if (!pimpl_->is)
- printError("Long string not ended by `" + endtoken + '\'');
+ printError("Long string not ended by `" + to_utf8(endtoken) + '\'');
return str;
}
bool Lexer::getBool() const
{
- string const s = pimpl_->getString();
+ string const s = pimpl_->getString();
if (s == "false" || s == "0") {
lastReadOk_ = true;
return false;
// use fail() here. However, our implementation of getString() et al.
// can cause the eof() and fail() bits to be set, even though we
// haven't tried to read 'em.
- return lastReadOk_? this : 0;
+ return lastReadOk_? this : nullptr;
}
{
docstring res;
res += '"';
- res += subst(subst(arg, from_ascii("\\"), from_ascii("\\\\")),
+ res += subst(subst(arg, from_ascii("\\"), from_ascii("\\\\")),
from_ascii("\""), from_ascii("\\\""));
res += '"';
return res;
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);
}
}
-void Lexer::setContext(std::string const & str)
+void Lexer::setContext(std::string const & functionName)
{
- pimpl_->context = str;
+ pimpl_->context = functionName;
}
projects / lyx.git / blobdiff