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1 // Copyright 2007, Google Inc. | 1 // Copyright 2007, Google Inc. |
2 // All rights reserved. | 2 // All rights reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // * Redistributions of source code must retain the above copyright | 8 // * Redistributions of source code must retain the above copyright |
9 // notice, this list of conditions and the following disclaimer. | 9 // notice, this list of conditions and the following disclaimer. |
10 // * Redistributions in binary form must reproduce the above | 10 // * Redistributions in binary form must reproduce the above |
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25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | 29 |
30 // Contains common inline helper functions used by the URL parsing routines. | 30 // Contains common inline helper functions used by the URL parsing routines. |
31 | 31 |
32 #ifndef GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ | 32 #ifndef GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ |
33 #define GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ | 33 #define GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ |
34 | 34 |
35 #include "googleurl/src/url_parse.h" | 35 #include "url/url_parse_internal.h" |
36 | |
37 namespace url_parse { | |
38 | |
39 // We treat slashes and backslashes the same for IE compatability. | |
40 inline bool IsURLSlash(char16 ch) { | |
41 return ch == '/' || ch == '\\'; | |
42 } | |
43 | |
44 // Returns true if we should trim this character from the URL because it is a | |
45 // space or a control character. | |
46 inline bool ShouldTrimFromURL(char16 ch) { | |
47 return ch <= ' '; | |
48 } | |
49 | |
50 // Given an already-initialized begin index and length, this shrinks the range | |
51 // to eliminate "should-be-trimmed" characters. Note that the length does *not* | |
52 // indicate the length of untrimmed data from |*begin|, but rather the position | |
53 // in the input string (so the string starts at character |*begin| in the spec, | |
54 // and goes until |*len|). | |
55 template<typename CHAR> | |
56 inline void TrimURL(const CHAR* spec, int* begin, int* len) { | |
57 // Strip leading whitespace and control characters. | |
58 while (*begin < *len && ShouldTrimFromURL(spec[*begin])) | |
59 (*begin)++; | |
60 | |
61 // Strip trailing whitespace and control characters. We need the >i test for | |
62 // when the input string is all blanks; we don't want to back past the input. | |
63 while (*len > *begin && ShouldTrimFromURL(spec[*len - 1])) | |
64 (*len)--; | |
65 } | |
66 | |
67 // Counts the number of consecutive slashes starting at the given offset | |
68 // in the given string of the given length. | |
69 template<typename CHAR> | |
70 inline int CountConsecutiveSlashes(const CHAR *str, | |
71 int begin_offset, int str_len) { | |
72 int count = 0; | |
73 while (begin_offset + count < str_len && | |
74 IsURLSlash(str[begin_offset + count])) | |
75 ++count; | |
76 return count; | |
77 } | |
78 | |
79 // Internal functions in url_parse.cc that parse the path, that is, everything | |
80 // following the authority section. The input is the range of everything | |
81 // following the authority section, and the output is the identified ranges. | |
82 // | |
83 // This is designed for the file URL parser or other consumers who may do | |
84 // special stuff at the beginning, but want regular path parsing, it just | |
85 // maps to the internal parsing function for paths. | |
86 void ParsePathInternal(const char* spec, | |
87 const Component& path, | |
88 Component* filepath, | |
89 Component* query, | |
90 Component* ref); | |
91 void ParsePathInternal(const char16* spec, | |
92 const Component& path, | |
93 Component* filepath, | |
94 Component* query, | |
95 Component* ref); | |
96 | |
97 | |
98 // Given a spec and a pointer to the character after the colon following the | |
99 // scheme, this parses it and fills in the structure, Every item in the parsed | |
100 // structure is filled EXCEPT for the scheme, which is untouched. | |
101 void ParseAfterScheme(const char* spec, | |
102 int spec_len, | |
103 int after_scheme, | |
104 Parsed* parsed); | |
105 void ParseAfterScheme(const char16* spec, | |
106 int spec_len, | |
107 int after_scheme, | |
108 Parsed* parsed); | |
109 | |
110 } // namespace url_parse | |
111 | 36 |
112 #endif // GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ | 37 #endif // GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ |
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