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97 lines
1.6 KiB
C++
97 lines
1.6 KiB
C++
// SplitJoin.cpp
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//
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// This code is copyright 2003-2004 Royce Mitchell III
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// and released under the BSD & LGPL licenses
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#ifdef _MSC_VER
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#pragma warning ( disable : 4786 ) // MSVC6 can't handle too-long template names
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#endif//_MSC_VER
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//#include <sstream>
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#include "SplitJoin.h"
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#include <string.h>
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using std::string;
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using std::vector;
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//using std::stringstream;
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static const char* quotes = "\"\'";
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bool Split ( vector<string>& vec, const char* csv, char sep, bool merge )
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{
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string scsv ( csv );
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char* col = &scsv[0];
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vec.resize ( 0 );
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for ( ;; )
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{
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char* p = col;
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while ( isspace(*p) && *p != sep )
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p++;
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char quote = 0;
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if ( strchr ( quotes, *p ) )
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quote = *p++;
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while ( *p && (*p != sep || quote) )
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{
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if ( *p++ == quote )
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break;
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}
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while ( isspace(*p) && *p != sep )
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p++;
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if ( *p && *p != sep )
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return false;
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string scol ( col, p-col );
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//quote = scol[0];
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if ( quote )
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{
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if ( scol[scol.size()-1] == quote )
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scol = string ( &scol[1], scol.size()-2 );
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}
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if ( scol.length() || !merge )
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vec.push_back ( scol );
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if ( !*p )
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break;
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col = p + 1;
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}
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return true;
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}
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bool Join ( string& csv, vector<string>& vec, char sep )
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{
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csv.resize(0);
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for ( int i = 0; i < vec.size(); i++ )
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{
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if ( i )
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csv += sep;
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string& s = vec[i];
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if ( strchr ( s.c_str(), sep ) )
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{
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if ( strchr ( s.c_str(), '\"' ) )
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{
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if ( strchr ( s.c_str(), '\'' ) )
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return false; // the sep, " and ' are all in the string, can't build valid output
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csv += '\'';
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csv += s;
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csv += '\'';
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}
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else
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{
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csv += '\"';
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csv += s;
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csv += '\"';
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}
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}
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else
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csv += s;
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}
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return true;
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}
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