149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
// Copyright 2015 Google Inc. All rights reserved
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef STRUTIL_H_
|
|
#define STRUTIL_H_
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "string_piece.h"
|
|
|
|
using namespace std;
|
|
|
|
class WordScanner {
|
|
public:
|
|
struct Iterator {
|
|
Iterator& operator++();
|
|
StringPiece operator*() const;
|
|
bool operator!=(const Iterator& r) const {
|
|
return in != r.in || s != r.s || i != r.i;
|
|
}
|
|
|
|
const StringPiece* in;
|
|
int s;
|
|
int i;
|
|
};
|
|
|
|
explicit WordScanner(StringPiece in);
|
|
|
|
Iterator begin() const;
|
|
Iterator end() const;
|
|
|
|
void Split(vector<StringPiece>* o);
|
|
|
|
private:
|
|
StringPiece in_;
|
|
};
|
|
|
|
class WordWriter {
|
|
public:
|
|
explicit WordWriter(string* o);
|
|
void MaybeAddWhitespace();
|
|
void Write(StringPiece s);
|
|
|
|
private:
|
|
string* out_;
|
|
bool needs_space_;
|
|
};
|
|
|
|
// Temporary modifies s[s.size()] to '\0'.
|
|
class ScopedTerminator {
|
|
public:
|
|
explicit ScopedTerminator(StringPiece s);
|
|
~ScopedTerminator();
|
|
|
|
private:
|
|
StringPiece s_;
|
|
char c_;
|
|
};
|
|
|
|
template <class String>
|
|
inline string JoinStrings(vector<String> v, const char* sep) {
|
|
string r;
|
|
for (StringPiece s : v) {
|
|
if (!r.empty()) {
|
|
r += sep;
|
|
}
|
|
r.append(s.begin(), s.end());
|
|
}
|
|
return r;
|
|
}
|
|
|
|
void AppendString(StringPiece str, string* out);
|
|
|
|
bool HasPrefix(StringPiece str, StringPiece prefix);
|
|
|
|
bool HasSuffix(StringPiece str, StringPiece suffix);
|
|
|
|
bool HasWord(StringPiece str, StringPiece w);
|
|
|
|
StringPiece TrimPrefix(StringPiece str, StringPiece suffix);
|
|
|
|
StringPiece TrimSuffix(StringPiece str, StringPiece suffix);
|
|
|
|
class Pattern {
|
|
public:
|
|
explicit Pattern(StringPiece pat);
|
|
|
|
bool Match(StringPiece str) const;
|
|
|
|
StringPiece Stem(StringPiece str) const;
|
|
|
|
void AppendSubst(StringPiece str, StringPiece subst, string* out) const;
|
|
|
|
void AppendSubstRef(StringPiece str, StringPiece subst, string* out) const;
|
|
|
|
private:
|
|
bool MatchImpl(StringPiece str) const;
|
|
|
|
StringPiece pat_;
|
|
size_t percent_index_;
|
|
};
|
|
|
|
string NoLineBreak(const string& s);
|
|
|
|
StringPiece TrimLeftSpace(StringPiece s);
|
|
StringPiece TrimRightSpace(StringPiece s);
|
|
StringPiece TrimSpace(StringPiece s);
|
|
|
|
StringPiece Dirname(StringPiece s);
|
|
StringPiece Basename(StringPiece s);
|
|
StringPiece GetExt(StringPiece s);
|
|
StringPiece StripExt(StringPiece s);
|
|
void NormalizePath(string* o);
|
|
void AbsPath(StringPiece s, string* o);
|
|
|
|
size_t FindOutsideParen(StringPiece s, char c);
|
|
size_t FindTwoOutsideParen(StringPiece s, char c1, char c2);
|
|
size_t FindThreeOutsideParen(StringPiece s, char c1, char c2, char c3);
|
|
|
|
size_t FindEndOfLine(StringPiece s, size_t e, size_t* lf_cnt);
|
|
|
|
// Strip leading sequences of './' from file names, so that ./file
|
|
// and file are considered to be the same file.
|
|
// From http://www.gnu.org/software/make/manual/make.html#Features
|
|
StringPiece TrimLeadingCurdir(StringPiece s);
|
|
|
|
void FormatForCommandSubstitution(string* s);
|
|
|
|
string SortWordsInString(StringPiece s);
|
|
|
|
string ConcatDir(StringPiece b, StringPiece n);
|
|
|
|
string EchoEscape(const string &str);
|
|
|
|
void EscapeShell(string* s);
|
|
|
|
#endif // STRUTIL_H_
|