Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 1 | #ifndef STRUTIL_H_ |
| 2 | #define STRUTIL_H_ |
| 3 | |
| 4 | #include <string> |
| 5 | #include <vector> |
| 6 | |
| 7 | #include "string_piece.h" |
| 8 | |
| 9 | using namespace std; |
| 10 | |
| 11 | class WordScanner { |
| 12 | public: |
| 13 | struct Iterator { |
| 14 | Iterator& operator++(); |
| 15 | StringPiece operator*() const; |
| 16 | bool operator!=(const Iterator& r) const { |
| 17 | return in != r.in || s != r.s || i != r.i; |
| 18 | } |
| 19 | |
| 20 | const StringPiece* in; |
| 21 | int s; |
| 22 | int i; |
| 23 | }; |
| 24 | |
| 25 | explicit WordScanner(StringPiece in); |
| 26 | |
| 27 | Iterator begin() const; |
| 28 | Iterator end() const; |
| 29 | |
Shinichiro Hamaji | d87e59e | 2015-06-17 18:18:34 +0900 | [diff] [blame^] | 30 | void Split(vector<StringPiece>* o); |
| 31 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 32 | private: |
| 33 | StringPiece in_; |
| 34 | }; |
| 35 | |
Shinichiro Hamaji | 2e6cbfc | 2015-06-16 18:46:50 +0900 | [diff] [blame] | 36 | class WordWriter { |
| 37 | public: |
| 38 | explicit WordWriter(string* o); |
Shinichiro Hamaji | 37591ce | 2015-06-16 19:36:05 +0900 | [diff] [blame] | 39 | void MaybeAddWhitespace(); |
Shinichiro Hamaji | 2e6cbfc | 2015-06-16 18:46:50 +0900 | [diff] [blame] | 40 | void Write(StringPiece s); |
| 41 | |
| 42 | private: |
| 43 | string* out_; |
| 44 | bool needs_space_; |
| 45 | }; |
| 46 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 47 | void InitSymtab(); |
| 48 | void QuitSymtab(); |
| 49 | StringPiece Intern(StringPiece s); |
| 50 | |
| 51 | template <class String> |
| 52 | inline string JoinStrings(vector<String> v, const char* sep) { |
| 53 | string r; |
| 54 | for (StringPiece s : v) { |
| 55 | if (!r.empty()) { |
| 56 | r += sep; |
| 57 | } |
| 58 | r.append(s.begin(), s.end()); |
| 59 | } |
| 60 | return r; |
| 61 | } |
| 62 | |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 63 | void AppendString(StringPiece str, string* out); |
| 64 | |
| 65 | bool HasPrefix(StringPiece str, StringPiece prefix); |
| 66 | |
| 67 | bool HasSuffix(StringPiece str, StringPiece suffix); |
| 68 | |
| 69 | StringPiece TrimSuffix(StringPiece str, StringPiece suffix); |
| 70 | |
| 71 | void AppendSubstPattern(StringPiece str, StringPiece pat, StringPiece subst, |
| 72 | string* out); |
| 73 | |
| 74 | void AppendSubstRef(StringPiece str, StringPiece pat, StringPiece subst, |
| 75 | string* out); |
| 76 | |
Shinichiro Hamaji | 00cc658 | 2015-06-17 18:12:46 +0900 | [diff] [blame] | 77 | bool MatchPattern(StringPiece str, StringPiece pat); |
| 78 | |
Shinichiro Hamaji | 810fd03 | 2015-06-17 04:38:03 +0900 | [diff] [blame] | 79 | string NoLineBreak(const string& s); |
| 80 | |
Shinichiro Hamaji | 3275062 | 2015-06-17 14:57:33 +0900 | [diff] [blame] | 81 | StringPiece TrimLeftSpace(StringPiece s); |
| 82 | StringPiece TrimRightSpace(StringPiece s); |
| 83 | StringPiece TrimSpace(StringPiece s); |
| 84 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 85 | #endif // STRUTIL_H_ |