str.hh revision 8229
12292SN/A/*
22689Sktlim@umich.edu * Copyright (c) 2001-2005 The Regents of The University of Michigan
32292SN/A * All rights reserved.
42292SN/A *
52292SN/A * Redistribution and use in source and binary forms, with or without
62292SN/A * modification, are permitted provided that the following conditions are
72292SN/A * met: redistributions of source code must retain the above copyright
82292SN/A * notice, this list of conditions and the following disclaimer;
92292SN/A * redistributions in binary form must reproduce the above copyright
102292SN/A * notice, this list of conditions and the following disclaimer in the
112292SN/A * documentation and/or other materials provided with the distribution;
122292SN/A * neither the name of the copyright holders nor the names of its
132292SN/A * contributors may be used to endorse or promote products derived from
142292SN/A * this software without specific prior written permission.
152292SN/A *
162292SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
172292SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
182292SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
192292SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
202292SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
212292SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
222292SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
232292SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
242292SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
252292SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
262292SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
272689Sktlim@umich.edu *
282689Sktlim@umich.edu * Authors: Nathan Binkert
292292SN/A *          Steve Reinhardt
302292SN/A */
312292SN/A
322292SN/A#ifndef __STR_HH__
332292SN/A#define __STR_HH__
342736Sktlim@umich.edu
352292SN/A#include <cctype>
362292SN/A#include <sstream>
372292SN/A#include <string>
382292SN/A#include <vector>
392292SN/A
402292SN/Atemplate<class> class Hash;
412292SN/Atemplate<>
422292SN/Aclass Hash<std::string> {
432292SN/Apublic:
442292SN/A  unsigned operator()(const std::string &s) {
452292SN/A      std::string::const_iterator i = s.begin();
462292SN/A      std::string::const_iterator end = s.end();
472292SN/A      unsigned hash = 5381;
482292SN/A
492292SN/A      while (i < end)
502292SN/A          hash = ((hash << 5) + hash) + *i++;
512292SN/A
522292SN/A      return hash;
532292SN/A  }
542292SN/A};
552292SN/A
562292SN/Ainline void
572292SN/Aeat_lead_white(std::string &s)
582292SN/A{
592292SN/A    std::string::size_type off = s.find_first_not_of(' ');
602292SN/A    if (off != std::string::npos) {
612292SN/A        std::string::iterator begin = s.begin();
622292SN/A        s.erase(begin, begin + off);
632292SN/A    }
642292SN/A}
652292SN/A
662292SN/Ainline void
672292SN/Aeat_end_white(std::string &s)
682292SN/A{
692292SN/A    std::string::size_type off = s.find_last_not_of(' ');
702292SN/A    if (off != std::string::npos)
715034Smilesck@eecs.umich.edu        s.erase(s.begin() + off + 1, s.end());
725034Smilesck@eecs.umich.edu}
732292SN/A
742292SN/Ainline void
752292SN/Aeat_white(std::string &s)
762292SN/A{
772292SN/A    eat_lead_white(s);
782292SN/A    eat_end_white(s);
799184Sandreas.hansson@arm.com}
809184Sandreas.hansson@arm.com
812292SN/Ainline std::string
822292SN/Ato_lower(const std::string &s)
832292SN/A{
842292SN/A    std::string lower;
852292SN/A    int len = s.size();
865034Smilesck@eecs.umich.edu
872292SN/A    lower.reserve(len);
882292SN/A
892292SN/A    for (int i = 0; i < len; ++i)
902292SN/A        lower.push_back(tolower(s[i]));
912292SN/A
922292SN/A    return lower;
932292SN/A}
942292SN/A
952292SN/A// Split the string s into lhs and rhs on the first occurence of the
962292SN/A// character c.
972292SN/Abool
982292SN/Asplit_first(const std::string &s, std::string &lhs, std::string &rhs, char c);
992292SN/A
1002292SN/A// Split the string s into lhs and rhs on the last occurence of the
1012292SN/A// character c.
1022292SN/Abool
1032292SN/Asplit_last(const std::string &s, std::string &lhs, std::string &rhs, char c);
1042292SN/A
1052292SN/A// Tokenize the string <s> splitting on the character <token>, and
1062292SN/A// place the result in the string vector <vector>.  If <ign> is true,
1072292SN/A// then empty result strings (due to trailing tokens, or consecutive
1082292SN/A// tokens) are skipped.
1092292SN/Avoid
1102292SN/Atokenize(std::vector<std::string> &vector, const std::string &s,
1112292SN/A         char token, bool ign = true);
1122292SN/A
1132292SN/Atemplate <class T> bool
1142292SN/Ato_number(const std::string &value, T &retval);
1152292SN/A
1162292SN/Atemplate <class T>
1172292SN/Ainline std::string
1182292SN/Ato_string(const T &value)
1192292SN/A{
1202292SN/A    std::stringstream str;
1212292SN/A    str << value;
1222292SN/A    return str.str();
1232292SN/A}
1242292SN/A
1252292SN/A// Put quotes around string arg if it contains spaces.
1262292SN/Ainline std::string
1272292SN/Aquote(const std::string &s)
1282292SN/A{
1292292SN/A    std::string ret;
1302292SN/A    bool quote = s.find(' ') != std::string::npos;
1312292SN/A
1322292SN/A    if (quote)
1332292SN/A        ret = '"';
1342292SN/A
1352292SN/A    ret += s;
1362292SN/A
1372292SN/A    if (quote)
1382292SN/A        ret += '"';
1392292SN/A
1402292SN/A    return ret;
1412292SN/A}
1422292SN/A
1432292SN/A#endif //__STR_HH__
1442292SN/A