Index: chrome_frame/html_utils.h |
diff --git a/chrome_frame/html_utils.h b/chrome_frame/html_utils.h |
deleted file mode 100644 |
index 54175b2cfc5107c7d3d3cc1ebc115b94a9f496fc..0000000000000000000000000000000000000000 |
--- a/chrome_frame/html_utils.h |
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@@ -1,168 +0,0 @@ |
-// Copyright (c) 2012 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. |
- |
-// This file defines utility functions for working with html. |
- |
-#ifndef CHROME_FRAME_HTML_UTILS_H_ |
-#define CHROME_FRAME_HTML_UTILS_H_ |
- |
-#include <string> |
-#include <vector> |
- |
-#include "base/basictypes.h" |
-#include "base/gtest_prod_util.h" |
-#include "net/http/http_util.h" |
- |
-// Forward declarations |
-class HtmlUtilUnittest; |
- |
-// |
-// Class designed to take a string of HTML and extract from it named |
-// attribute values from named tags. |
-// |
-// Caveat: this class currently doesn't handle multi-word UTF-16 encoded |
-// characters. Doesn't handle implies that any data following such a |
-// character could possibly be misinterpreted. |
-// |
-class HTMLScanner { |
- public: |
- typedef std::wstring::const_iterator StrPos; |
- |
- // Structure maintaining const_iterators into html_string_. |
- class StringRange { |
- friend class HTMLScanner; |
- public: |
- StringRange(); |
- StringRange(StrPos start, StrPos end); |
- |
- bool LowerCaseEqualsASCII(const char* other) const; |
- bool Equals(const wchar_t* other) const; |
- |
- // Copies the data described by StringRange into destination. |
- std::wstring Copy() const; |
- |
- // If this StringRange represents a tag, this method extracts the name of |
- // the tag and sticks it in tag_name. |
- // Returns true if the tag name was successfully extracted. |
- // Returns false if this string doesn't look like a valid tag. |
- bool GetTagName(std::wstring* tag_name) const; |
- |
- // From a given string range, uses a string tokenizer to extract the value |
- // of the named attribute if a simple scan finds that the attribute name is |
- // present. |
- // |
- // Returns true if the named attribute can be located and it has a value |
- // which has been placed in attribute_value. |
- // |
- // Note that the attribute value is unquoted here as well, so that |
- // GetTagAttribute(*<foo bar="baz">*, L"bar", *out_value*) will stick |
- // 'bar' in out_value and not '"bar"'. |
- // |
- // Returns false if the named attribute is not present in the tag or if it |
- // did not have a value. |
- // |
- bool GetTagAttribute(const wchar_t* attribute_name, |
- StringRange* attribute_value) const; |
- |
- // Unquotes a StringRange by removing a matching pair of either ' or " |
- // characters from the beginning and end of the string if present. |
- // Returns true if string was modified, false otherwise. |
- bool UnQuote(); |
- private: |
- StrPos start_; |
- StrPos end_; |
- }; |
- |
- typedef std::vector<StringRange> StringRangeList; |
- |
- // html_string must be a null-terminated string containing the HTML |
- // to be scanned. |
- explicit HTMLScanner(const wchar_t* html_string); |
- |
- // Returns the set of ranges denoting HTML tags that match the given name. |
- // If stop_tag_name is given, then as soon as a tag with this name is |
- // encountered this method will return. |
- void GetTagsByName(const wchar_t* name, StringRangeList* tag_list, |
- const wchar_t* stop_tag_name); |
- |
- private: |
- friend class HtmlUtilUnittest; |
- FRIEND_TEST_ALL_PREFIXES(HtmlUtilUnittest, BasicTest); |
- |
- // Given html_string which represents the remaining html range, this method |
- // returns the next tag in tag and advances html_string to one character after |
- // the end of tag. This method is intended to be called repeatedly to extract |
- // all of the tags in sequence. |
- // |
- // Returns true if another tag was found and 'tag' was populated with a valid |
- // range. |
- // Returns false if we have reached the end of the html data. |
- bool NextTag(StringRange* html_string, StringRange* tag); |
- |
- // Returns true if c can be found in quotes_, false otherwise |
- bool IsQuote(wchar_t c); |
- |
- // Returns true if pos refers to the last character in an HTML comment in a |
- // string described by html_string, false otherwise. |
- // For example with html_string describing <!-- foo> -->, pos must refer to |
- // the last > for this method to return true. |
- bool IsHTMLCommentClose(const StringRange* html_string, StrPos pos); |
- |
- // Returns true if pos refers to the last character in the terminator of the |
- // opening tag of a downlevel-hidden conditional comment in IE as per |
- // http://msdn.microsoft.com/en-us/library/ms537512(VS.85).aspx#syntax |
- // For example with html_string describing <![if booga >wooga]>, pos must |
- // refer to the last > for this method to return true. |
- bool IsIEConditionalCommentClose(const StringRange* html_string, StrPos pos); |
- |
- // We store a (CollapsedWhitespace'd) copy of the html data. |
- const std::wstring html_string_; |
- |
- // Store the string of quote characters to avoid repeated construction. |
- const std::wstring quotes_; |
- |
- DISALLOW_COPY_AND_ASSIGN(HTMLScanner); |
-}; |
- |
-namespace http_utils { |
- |
-// Adds "chromeframe/a.b.c.d" to the User-Agent string (a.b.c.d is the version). |
-// If the cf tag has already been added to the string, the original string is |
-// returned. |
-std::string AddChromeFrameToUserAgentValue(const std::string& value); |
- |
-// Removes "chromeframe/a.b.c.d" from the User-Agent string (a.b.c.d is the |
-// version). If the cf tag is not present in the string, the original string is |
-// returned. |
-std::string RemoveChromeFrameFromUserAgentValue(const std::string& value); |
- |
-// Fetches the user agent from urlmon and adds chrome frame to the |
-// comment section. |
-// NOTE: The returned string includes the "User-Agent: " header name. |
-std::string GetDefaultUserAgentHeaderWithCFTag(); |
- |
-// Returns the User-Agent header as would be used by Chrome itself. |
-const char* GetChromeUserAgent(); |
- |
-// Fetches the default user agent string from urlmon. |
-// This value does not include the "User-Agent:" header name. |
-std::string GetDefaultUserAgent(); |
- |
-// Returns the Chrome Frame user agent. E.g. "chromeframe/1.0". |
-// Note that in unit tests this will be "chromeframe/0.0" due to the version |
-// table not being present in the unit test executable. |
-const char* GetChromeFrameUserAgent(); |
- |
-// Returns true if there is a frame busting header (other than the do-nothing |
-// "X-Frame-Options: ALLOWALL") in the provided header block. Note that there |
-// may be multiple X-Frame-Options values specified; if there is one anywhere in |
-// the list with a value other than ALLOWALL, this returns true. |
-bool HasFrameBustingHeader(const std::string& http_headers); |
- |
-// Returns the header passed in from the headers list. |
-std::string GetHttpHeaderFromHeaderList(const std::string& header_name, |
- const std::string& headers); |
-} // namespace http_utils |
- |
-#endif // CHROME_FRAME_HTML_UTILS_H_ |