76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// StringUtil.cc for fluxbox
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// Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: StringUtil.cc,v 1.5 2002/01/09 14:11:20 fluxgen Exp $
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#include "StringUtil.hh"
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#include <string>
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#include <cstdio>
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#include <cstdlib>
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#include <cctype>
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#include <memory>
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using namespace std;
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//------- strdup ------------------------
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//TODO: comment this
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//----------------------------------------
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char *StringUtil::strdup(const char *s) {
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int l = strlen(s) + 1;
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char *n = new char[l];
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strncpy(n, s, l);
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return n;
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}
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//------- strcasestr --------------
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// Tries to find a string in another and
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// ignoring the case of the characters
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// Returns 0 on success else pointer to str.
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// TODO: comment this
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//---------------------------------
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const char * StringUtil::strcasestr(const char *str, const char *ptn) {
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const char *s2, *p2;
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for( ; *str; str++) {
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for(s2=str, p2=ptn; ; s2++,p2++) {
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if (!*p2) return str;
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if (toupper(*s2) != toupper(*p2)) break;
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}
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}
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return 0;
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}
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//------------- expandFilename ----------------------
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// if ~ then expand it to home of user
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// returns expanded filename
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// (note: the function creates new memory for the string)
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//---------------------------------------------------
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char *StringUtil::expandFilename(const char *filename) {
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auto_ptr<char> retval( new char[strlen(filename)+strlen(getenv("HOME"))+2]);
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if (filename[0]=='~') {
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strcat(retval.get(), getenv("HOME"));
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strcat(retval.get(), &filename[1]);
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} else
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return StringUtil::strdup(filename); //return unmodified value
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return StringUtil::strdup(retval.get()); //return modified value
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}
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