94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
////////////////////////////////////////////////////////////////////////
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// FILE: file.cpp
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// AUTHOR: Johannes Winkelmann, jw@tks6.net
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// COPYRIGHT: (c) 2002 by Johannes Winkelmann
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// ---------------------------------------------------------------------
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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////////////////////////////////////////////////////////////////////////
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <cstdio>
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#include <fnmatch.h>
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#include <libgen.h>
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#include <cstring>
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using namespace std;
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#include "stringhelper.h"
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#include "pg_regex.h"
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namespace File
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{
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bool fileExists( const string& fileName )
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{
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struct stat result;
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return stat( fileName.c_str(), &result ) == 0;
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}
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bool grep( const string& fileName,
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const string& pattern,
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list<string>& result,
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bool fullPath,
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bool useRegex)
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{
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FILE* fp;
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fp = fopen( fileName.c_str(), "r" );
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if ( !fp ) {
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return false;
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}
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const int length = BUFSIZ;
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char input[length];
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char* p;
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char* end;
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string line;
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string entry;
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RegEx re(pattern);
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while ( fgets( input, length, fp ) ) {
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p = strtok( input, "\t" );
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p = strtok( NULL, "\t" );
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p = strtok( NULL, "\t" );
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if ( p ) {
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// prepend slash to string
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p--;
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p[0] = '/';
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entry = p;
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end = strstr(p, "->");
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if (end) {
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*end = '\0';
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}
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p[strlen(p)-1] = '\0'; // strip newline
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char* name = p;
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if (!fullPath) {
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name = basename(p);
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}
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if (useRegex) {
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if (re.match(name)) {
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result.push_back(StringHelper::stripWhiteSpace(entry));
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}
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} else {
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if ( fnmatch(pattern.c_str(), name, FNM_CASEFOLD) == 0 ) {
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result.push_back( StringHelper::stripWhiteSpace(entry) );
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}
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}
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}
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}
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fclose( fp );
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return true;
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}
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}
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