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https://git.lyx.org/repos/lyx.git
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59fdb31af3
and lyx::char_type git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14990 a592a061-630c-0410-9148-cb99ea01b6c8
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/**
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* \file docstring.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Georg Baum
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "docstring.h"
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#include "unicode.h"
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#include <boost/assert.hpp>
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namespace lyx {
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docstring const from_ascii(char const * ascii)
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{
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docstring s;
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for (char const * c = ascii; *c; ++c) {
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BOOST_ASSERT(static_cast<unsigned char>(*c) < 0x80);
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s.push_back(*c);
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}
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return s;
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}
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docstring const from_ascii(std::string const & ascii)
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{
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int const len = ascii.length();
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for (int i = 0; i < len; ++i)
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BOOST_ASSERT(static_cast<unsigned char>(ascii[i]) < 0x80);
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return docstring(ascii.begin(), ascii.end());
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}
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docstring const from_utf8(std::string const & utf8)
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{
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std::vector<lyx::char_type> const ucs4 =
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utf8_to_ucs4(utf8.data(), utf8.size());
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return docstring(ucs4.begin(), ucs4.end());
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}
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std::string const to_utf8(docstring const & ucs4)
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{
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std::vector<char> const utf8 =
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ucs4_to_utf8(ucs4.data(), ucs4.size());
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return std::string(utf8.begin(), utf8.end());
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}
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}
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bool operator==(lyx::docstring const & l, char const * r)
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{
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int const len = l.length();
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for (int i = 0; i < len; ++i) {
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BOOST_ASSERT(static_cast<unsigned char>(r[i]) < 0x80);
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if (!r[i])
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return false;
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if (l[i] != lyx::docstring::value_type(r[i]))
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return false;
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}
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return r[len] == '\0';
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}
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lyx::docstring operator+(lyx::docstring const & l, char const * r)
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{
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lyx::docstring s(l);
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for (char const * c = r; *c; ++c) {
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BOOST_ASSERT(static_cast<unsigned char>(*c) < 0x80);
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s.push_back(*c);
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}
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return s;
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}
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lyx::docstring operator+(char const * l, lyx::docstring const & r)
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{
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lyx::docstring s;
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for (char const * c = l; *c; ++c) {
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BOOST_ASSERT(static_cast<unsigned char>(*c) < 0x80);
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s.push_back(*c);
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}
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s += r;
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return s;
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}
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lyx::docstring operator+(lyx::docstring const & l, char r)
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{
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BOOST_ASSERT(static_cast<unsigned char>(r) < 0x80);
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return l + lyx::docstring::value_type(r);
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}
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lyx::docstring operator+(char l, lyx::docstring const & r)
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{
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BOOST_ASSERT(static_cast<unsigned char>(l) < 0x80);
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return lyx::docstring::value_type(l) + r;
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}
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