66c5cd4427
This makes it possible to internationalize strings while still using
I/O streams. For example:
std::cout << ACCUM(_("Hello to %1 and %2!") << "me" << "you")
<< std::endl;
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "utils.h"
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namespace ledger {
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straccstream _ctxt_accum;
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std::ostringstream _ctxt_buffer;
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straccstream _desc_accum;
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std::ostringstream _desc_buffer;
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string error_context()
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{
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string context = _ctxt_buffer.str();
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_ctxt_buffer.str("");
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return context;
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}
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string file_context(const path& file, std::size_t line)
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{
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std::ostringstream buf;
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buf << "\"" << file << "\", line " << line << ": ";
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return buf.str();
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}
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string line_context(const string& line,
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std::size_t pos,
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std::size_t end_pos)
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{
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std::ostringstream buf;
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buf << " " << line << "\n";
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if (pos != 0) {
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buf << " ";
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if (end_pos == 0) {
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for (std::size_t i = 0; i < pos; i += 1)
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buf << " ";
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buf << "^";
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} else {
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for (std::size_t i = 0; i < end_pos; i += 1) {
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if (i >= pos)
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buf << "^";
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else
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buf << " ";
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}
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}
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}
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return buf.str();
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}
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} // namespace ledger
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