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e4c3ce4627
Don't limit citation keys to ASCII anymore, since InsetBibitem can generate non-ASCII keys. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16310 a592a061-630c-0410-9148-cb99ea01b6c8
297 lines
8.0 KiB
C++
297 lines
8.0 KiB
C++
// -*- C++ -*-
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/**
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* \file lstrings.h
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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 Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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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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* A collection of string helper functions that works with string.
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* Some of these would certainly benefit from a rewrite/optimization.
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*/
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#ifndef LSTRINGS_H
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#define LSTRINGS_H
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#include "support/docstring.h"
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#include <vector>
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namespace lyx {
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namespace support {
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///
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int compare_no_case(std::string const & s, std::string const & s2);
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int compare_no_case(docstring const & s, docstring const & s2);
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///
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int compare_ascii_no_case(std::string const & s, std::string const & s2);
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///
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int compare_ascii_no_case(docstring const & s, docstring const & s2);
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///
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int compare_no_case(std::string const & s, std::string const & s2, unsigned int len);
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///
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inline
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int compare(char const * a, char const * b)
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{
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#ifndef CXX_GLOBAL_CSTD
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return std::strcmp(a, b);
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#else
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return strcmp(a, b);
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#endif
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}
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///
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inline
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int compare(char const * a, char const * b, unsigned int len)
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{
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#ifndef CXX_GLOBAL_CSTD
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return std::strncmp(a, b, len);
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#else
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return strncmp(a, b, len);
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#endif
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}
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///
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bool isStrInt(std::string const & str);
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/// does the std::string represent an unsigned integer value ?
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bool isStrUnsignedInt(std::string const & str);
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///
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bool isStrDbl(std::string const & str);
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bool isHex(lyx::docstring const & str);
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int hexToInt(lyx::docstring const & str);
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/// is \p str pure ascii?
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bool isAscii(docstring const & str);
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///
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char lowercase(char c);
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///
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char uppercase(char c);
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/// changes the case only if c is a one-byte char
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char_type lowercase(char_type c);
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/// changes the case only if c is a one-byte char
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char_type uppercase(char_type c);
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/// same as lowercase(), but ignores locale
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std::string const ascii_lowercase(std::string const &);
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docstring const ascii_lowercase(docstring const &);
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///
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std::string const lowercase(std::string const &);
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docstring const lowercase(docstring const &);
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///
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std::string const uppercase(std::string const &);
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/// Does the std::string start with this prefix?
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bool prefixIs(std::string const &, std::string const &);
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bool prefixIs(lyx::docstring const &, lyx::docstring const &);
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/// Does the string end with this char?
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bool suffixIs(std::string const &, char);
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/// Does the std::string end with this suffix?
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bool suffixIs(std::string const &, std::string const &);
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///
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inline bool contains(std::string const & a, std::string const & b)
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{
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return a.find(b) != std::string::npos;
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}
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inline bool contains(docstring const & a, docstring const & b)
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{
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return a.find(b) != docstring::npos;
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}
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inline bool contains(std::string const & a, char b)
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{
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return a.find(b) != std::string::npos;
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}
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inline bool contains(docstring const & a, char_type b)
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{
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return a.find(b) != docstring::npos;
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}
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///
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bool containsOnly(std::string const &, std::string const &);
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/** Extracts a token from this string at the nth delim.
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Doesn't modify the original string. Similar to strtok.
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Example:
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\code
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token("a;bc;d", ';', 1) == "bc";
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token("a;bc;d", ';', 2) == "d";
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\endcode
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*/
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std::string const token(std::string const & a, char delim, int n);
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docstring const token(docstring const & a, char_type delim, int n);
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/** Search a token in this string using the delim.
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Doesn't modify the original string. Returns -1 in case of
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failure.
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Example:
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\code
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tokenPos("a;bc;d", ';', "bc") == 1;
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tokenPos("a;bc;d", ';', "d") == 2;
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\endcode
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*/
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int tokenPos(std::string const & a, char delim, std::string const & tok);
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/// Substitute all \a oldchar with \a newchar
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std::string const subst(std::string const & a, char oldchar, char newchar);
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/// Substitute all \a oldchar with \a newchar
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docstring const subst(docstring const & a, char_type oldchar, char_type newchar);
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/// substitutes all instances of \a oldstr with \a newstr
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std::string const subst(std::string const & a,
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std::string const & oldstr, std::string const & newstr);
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/// substitutes all instances of \a oldstr with \a newstr
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docstring const subst(docstring const & a,
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docstring const & oldstr, docstring const & newstr);
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/** Trims characters off the end and beginning of a string.
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\code
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trim("ccabccc", "c") == "ab".
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\endcode
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*/
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docstring const trim(docstring const & a, char const * p = " ");
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/** Trims characters off the end and beginning of a string.
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\code
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trim("ccabccc", "c") == "ab".
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\endcode
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*/
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std::string const trim(std::string const & a, char const * p = " ");
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/** Trims characters off the end of a string.
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\code
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rtrim("abccc", "c") == "ab".
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\endcode
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*/
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std::string const rtrim(std::string const & a, char const * p = " ");
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docstring const rtrim(docstring const & a, char const * p = " ");
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/** Trims characters off the beginning of a string.
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\code
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("ababcdef", "ab") = "cdef"
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\endcode
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*/
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std::string const ltrim(std::string const & a, char const * p = " ");
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docstring const ltrim(docstring const & a, char const * p = " ");
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/** Splits the string by the first delim.
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Splits the string by the first appearance of delim.
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The leading string up to delim is returned in piece (not including
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delim), while the original string is cut from after the delimiter.
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Example:
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\code
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s1= ""; s2= "a;bc".split(s1, ';') -> s1 == "a"; s2 == "bc";
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\endcode
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*/
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std::string const split(std::string const & a, std::string & piece, char delim);
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docstring const split(docstring const & a, docstring & piece, char_type delim);
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/// Same as split but does not return a piece
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std::string const split(std::string const & a, char delim);
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/// Same as split but uses the last delim.
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std::string const rsplit(std::string const & a, std::string & piece, char delim);
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/// Escapes non ASCII chars and other problematic characters that cause
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/// problems in latex labels.
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docstring const escape(docstring const & lab);
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/// gives a vector of stringparts which have the delimiter delim
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std::vector<std::string> const getVectorFromString(std::string const & str,
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std::string const & delim = std::string(","));
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std::vector<docstring> const getVectorFromString(docstring const & str,
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docstring const & delim = from_ascii(","));
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// the same vice versa
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std::string const getStringFromVector(std::vector<std::string> const & vec,
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std::string const & delim = std::string(","));
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/// Search \p search_token in \p str and return the position if it is
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/// found, else -1. The last item in \p str must be "".
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int findToken(char const * const str[], std::string const & search_token);
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/// Convert internal line endings to line endings as expected by the OS
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docstring const externalLineEnding(docstring const & str);
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/// Convert line endings in any formnat to internal line endings
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docstring const internalLineEnding(docstring const & str);
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#ifdef I_AM_NOT_AFRAID_OF_HEADER_LIBRARIES
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#include <boost/format.hpp>
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template<class Arg1>
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docstring bformat(docstring const & fmt, Arg1 arg1)
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{
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return (boost::basic_format<char_type>(fmt) % arg1).str();
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}
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template<class Arg1, class Arg2>
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docstring bformat(docstring const & fmt, Arg1 arg1, Arg2 arg2)
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{
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return (boost::basic_format<char_type>(fmt) % arg1 % arg2).str();
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}
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template<class Arg1, class Arg2, class Arg3>
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docstring bformat(docstring const & fmt, Arg1 arg1, Arg2 arg2, Arg3 arg3)
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{
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return (boost::basic_format<char_type>(fmt) % arg1 % arg2 % arg3).str();
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}
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template<class Arg1, class Arg2, class Arg3, class Arg4>
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docstring bformat(docstring const & fmt, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4)
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{
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return (boost::basic_format<char_type>(fmt) % arg1 % arg2 % arg3 % arg4).str();
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}
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#else
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template <class Arg1>
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docstring bformat(docstring const & fmt, Arg1);
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template <class Arg1, class Arg2>
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docstring bformat(docstring const & fmt, Arg1, Arg2);
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template <class Arg1, class Arg2, class Arg3>
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docstring bformat(docstring const & fmt, Arg1, Arg2, Arg3);
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template <class Arg1, class Arg2, class Arg3, class Arg4>
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docstring bformat(docstring const & fmt, Arg1, Arg2, Arg3, Arg4);
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#endif
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} // namespace support
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} // namespace lyx
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#endif
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