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92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef URL_URL_PARSE_INTERNAL_H_
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#define URL_URL_PARSE_INTERNAL_H_
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// Contains common inline helper functions used by the URL parsing routines.
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#include "url/third_party/mozilla/url_parse.h"
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namespace url {
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// We treat slashes and backslashes the same for IE compatibility.
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inline bool IsURLSlash(base::char16 ch) {
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return ch == '/' || ch == '\\';
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}
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// Returns true if we should trim this character from the URL because it is a
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// space or a control character.
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inline bool ShouldTrimFromURL(base::char16 ch) {
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return ch <= ' ';
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}
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// Given an already-initialized begin index and length, this shrinks the range
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// to eliminate "should-be-trimmed" characters. Note that the length does *not*
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// indicate the length of untrimmed data from |*begin|, but rather the position
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// in the input string (so the string starts at character |*begin| in the spec,
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// and goes until |*len|).
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template<typename CHAR>
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inline void TrimURL(const CHAR* spec, int* begin, int* len,
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bool trim_path_end = true) {
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// Strip leading whitespace and control characters.
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while (*begin < *len && ShouldTrimFromURL(spec[*begin]))
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(*begin)++;
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if (trim_path_end) {
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// Strip trailing whitespace and control characters. We need the >i test
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// for when the input string is all blanks; we don't want to back past the
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// input.
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while (*len > *begin && ShouldTrimFromURL(spec[*len - 1]))
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(*len)--;
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}
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}
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// Counts the number of consecutive slashes starting at the given offset
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// in the given string of the given length.
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template<typename CHAR>
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inline int CountConsecutiveSlashes(const CHAR *str,
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int begin_offset, int str_len) {
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int count = 0;
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while (begin_offset + count < str_len &&
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IsURLSlash(str[begin_offset + count]))
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++count;
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return count;
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}
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// Internal functions in url_parse.cc that parse the path, that is, everything
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// following the authority section. The input is the range of everything
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// following the authority section, and the output is the identified ranges.
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//
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// This is designed for the file URL parser or other consumers who may do
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// special stuff at the beginning, but want regular path parsing, it just
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// maps to the internal parsing function for paths.
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void ParsePathInternal(const char* spec,
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const Component& path,
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Component* filepath,
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Component* query,
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Component* ref);
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void ParsePathInternal(const base::char16* spec,
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const Component& path,
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Component* filepath,
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Component* query,
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Component* ref);
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// Given a spec and a pointer to the character after the colon following the
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// scheme, this parses it and fills in the structure, Every item in the parsed
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// structure is filled EXCEPT for the scheme, which is untouched.
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void ParseAfterScheme(const char* spec,
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int spec_len,
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int after_scheme,
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Parsed* parsed);
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void ParseAfterScheme(const base::char16* spec,
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int spec_len,
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int after_scheme,
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Parsed* parsed);
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} // namespace url
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#endif // URL_URL_PARSE_INTERNAL_H_
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