// Copyright 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Contains common inline helper functions used by the URL parsing routines. #ifndef GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ #define GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__ #include "googleurl/src/url_parse.h" namespace url_parse { // We treat slashes and backslashes the same for IE compatability. inline bool IsURLSlash(char16 ch) { return ch == '/' || ch == '\\'; } // Returns true if we should trim this character from the URL because it is a // space or a control character. inline bool ShouldTrimFromURL(char16 ch) { return ch <= ' '; } // Given an already-initialized begin index and length, this shrinks the range // to eliminate "should-be-trimmed" characters. Note that the length does *not* // indicate the length of untrimmed data from |*begin|, but rather the position // in the input string (so the string starts at character |*begin| in the spec, // and goes until |*len|). template<typename CHAR> inline void TrimURL(const CHAR* spec, int* begin, int* len) { // Strip leading whitespace and control characters. while (*begin < *len && ShouldTrimFromURL(spec[*begin])) (*begin)++; // Strip trailing whitespace and control characters. We need the >i test for // when the input string is all blanks; we don't want to back past the input. while (*len > *begin && ShouldTrimFromURL(spec[*len - 1])) (*len)--; } // Counts the number of consecutive slashes starting at the given offset // in the given string of the given length. template<typename CHAR> inline int CountConsecutiveSlashes(const CHAR *str, int begin_offset, int str_len) { int count = 0; while (begin_offset + count < str_len && IsURLSlash(str[begin_offset + count])) ++count; return count; } // Internal functions in url_parse.cc that parse the path, that is, everything // following the authority section. The input is the range of everything // following the authority section, and the output is the identified ranges. // // This is designed for the file URL parser or other consumers who may do // special stuff at the beginning, but want regular path parsing, it just // maps to the internal parsing function for paths. void ParsePathInternal(const char* spec, const Component& path, Component* filepath, Component* query, Component* ref); void ParsePathInternal(const char16* spec, const Component& path, Component* filepath, Component* query, Component* ref); // Given a spec and a pointer to the character after the colon following the // scheme, this parses it and fills in the structure, Every item in the parsed // structure is filled EXCEPT for the scheme, which is untouched. void ParseAfterScheme(const char* spec, int spec_len, int after_scheme, Parsed* parsed); void ParseAfterScheme(const char16* spec, int spec_len, int after_scheme, Parsed* parsed); } // namespace url_parse #endif // GOOGLEURL_SRC_URL_PARSE_INTERNAL_H__