blob: f0ea3f20153ab032f57ad85c6a78c8547e9daef5 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Contains common inline helper functions used by the URL parsing routines.
#include "src/lib/url/third_party/mozilla/url_parse.h"
namespace url {
// We treat slashes and backslashes the same for IE compatibility.
inline bool IsURLSlash(char 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(char ch) { return ch > 0 && 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|).
inline void TrimURL(const char* spec, size_t* begin, size_t* len, bool trim_path_end = true) {
// Strip leading whitespace and control characters.
while (*begin < *len && ShouldTrimFromURL(spec[*begin]))
if (trim_path_end) {
// 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]))
// Counts the number of consecutive slashes starting at the given offset
// in the given string of the given length.
inline size_t CountConsecutiveSlashes(const char* str, size_t begin_offset, size_t str_len) {
size_t count = 0;
while (begin_offset + count < str_len && IsURLSlash(str[begin_offset + count]))
return count;
// Internal functions in 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);
// 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, size_t spec_len, size_t after_scheme, Parsed* parsed);
} // namespace url