1 files changed, 149 insertions, 0 deletions
diff --git a/src/strutil.h b/src/strutil.h
new file mode 100644
index 0000000..cc4d519
--- /dev/null
+++ b/src/strutil.h
@@ -0,0 +1,149 @@
+// 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_