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File: [Pegasus] / pegasus / src / Pegasus / Common / LanguageParser.h
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Revision: 1.23, Tue Dec 2 09:00:48 2008 UTC (15 years, 7 months ago) by martin Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK_PEP317_1JUNE_2013, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP348_SCMO-root, TASK-PEP348_SCMO-merged_out_to_branch, TASK-PEP348_SCMO-merged_out_from_trunk, TASK-PEP348_SCMO-merged_in_to_trunk, TASK-PEP348_SCMO-merged_in_from_branch, TASK-PEP348_SCMO-branch, TASK-PEP317_pullop-root, TASK-PEP317_pullop-merged_out_to_branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, TASK-PEP317_pullop-merged_in_from_branch, TASK-PEP317_pullop-branch, RELEASE_2_9_2-RC2, RELEASE_2_9_2-RC1, RELEASE_2_9_2, RELEASE_2_9_1-RC1, RELEASE_2_9_1, RELEASE_2_9_0-RC1, RELEASE_2_9_0-FC, RELEASE_2_9_0, RELEASE_2_9-root, RELEASE_2_9-branch, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, RELEASE_2_12_1-RC1, RELEASE_2_12_1, RELEASE_2_12_0-RC1, RELEASE_2_12_0-FC, RELEASE_2_12_0, RELEASE_2_12-root, RELEASE_2_12-branch, RELEASE_2_11_2-RC1, RELEASE_2_11_2, RELEASE_2_11_1-RC1, RELEASE_2_11_1, RELEASE_2_11_0-RC1, RELEASE_2_11_0-FC, RELEASE_2_11_0, RELEASE_2_11-root, RELEASE_2_11-branch, RELEASE_2_10_1-RC1, RELEASE_2_10_1, RELEASE_2_10_0-RC2, RELEASE_2_10_0-RC1, RELEASE_2_10_0, RELEASE_2_10-root, RELEASE_2_10-branch, PREAUG25UPDATE, POSTAUG25UPDATE, HPUX_TEST, HEAD, CIMRS_WORK_20130824, BeforeUpdateToHeadOct82011 Changes since 1.22: +6 -6 lines BUG#: 8123 TITLE: Update copyright/license text DESCRIPTION: Fixing trailing spaces in copyright/license text |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_LanguageParser_h #define Pegasus_LanguageParser_h #include <cstdlib> #include <cctype> #include <Pegasus/Common/Linkage.h> #include <Pegasus/Common/Config.h> #include <Pegasus/Common/String.h> #include <Pegasus/Common/Array.h> #include <Pegasus/Common/AcceptLanguageList.h> #include <Pegasus/Common/ContentLanguageList.h> PEGASUS_NAMESPACE_BEGIN /** This class parses and validates Accept-Language and Content-Language values from the respective HTTP headers, and provides utility functions to parse and manipulate language information */ class PEGASUS_COMMON_LINKAGE LanguageParser { public: /** Builds an AcceptLanguageList object from an HTTP Accept-Language header value. @param acceptLanguageHeader A String containing an HTTP Accept-Language header value from which to build the AcceptLanguageList object. @exception InvalidAcceptLanguageHeader if a syntax error is encountered. */ static AcceptLanguageList parseAcceptLanguageHeader( const String& acceptLanguageHeader); /** Builds a ContentLanguageList object from an HTTP Content-Language header value. @param contentLanguageHeader A String containing an HTTP Content-Language header value from which to build the ContentLanguageList object. @exception InvalidContentLanguageHeader if a syntax error is encountered. */ static ContentLanguageList parseContentLanguageHeader( const String& contentLanguageHeader); /** Validates the syntax of a language tag according to RFC 3066. Parses the language tag into language, country, and variant, if the language tag is formed using ISO codes (ISO 639 and ISO 3166). @param languageTagString The language tag string to parse and validate. @param language The returned language value parsed from the language tag, if applicable. @param country The returned country value parsed from the language tag, if applicable. @param variant The returned language variant value parsed from the language tag, if applicable. @exception Exception if the language tag is syntactically invalid. */ static void parseLanguageTag( const String& languageTagString, String& language, String& country, String& variant); /** Validates the syntax of an Accept-Language quality value. @param quality A Real32 quality value to validate. @exception Exception if the quality value is invalid. */ static void validateQualityValue(Real32 quality); /** Builds an HTTP Accept-Language header value from an AcceptLanguageList object. @param acceptLanguages The AcceptLanguageList object to be encoded in an HTTP Accept-Language header. */ static String buildAcceptLanguageHeader( const AcceptLanguageList& acceptLanguages); /** Builds an HTTP Content-Language header value from a ContentLanguageList object. @param contentLanguages The ContentLanguageList object to be encoded in an HTTP Content-Language header. */ static String buildContentLanguageHeader( const ContentLanguageList& contentLanguages); #ifdef PEGASUS_HAS_ICU /** Converts a locale ID to language tag syntax by replacing the '_' separators with '-' separators. @param localeId The locale ID string to convert to language tag syntax. The conversion is performed on the localeId object directly. @return The converted String with language tag syntax. */ static String& convertLocaleIdToLanguageTag(String& localeId); #endif /** Returns the default accept languages based on environment settings. ATTN: What is the behavior? This is only implemented if MESSAGES and ICU are used. */ static AcceptLanguageList getDefaultAcceptLanguages(); private: /** Parses the value portion of an HTTP Accept-Language or Content-Language header into individual language elements. Comments and whitespace are removed. @param headerElements An array of Strings into which the language elements are stored. @param languageHeaderValue A String containing the value portion of an HTTP Accept-Language or Content-Language header. @exception Exception if a syntax error is encountered. */ static void _parseLanguageHeader( const String& languageHeaderValue, Array<String>& languageElements); /** Parses an AcceptLanguage or ContentLanguage value from a header. If a valid AcceptLanguage value is determined to contain a quality value, then this quality is validated and returned. Otherwise -1 is returned. It is up to the caller to know in what context this call is being made, that is: it is the callers responsibility to know whether an AcceptLanguage or a ContentLanguage value is being parsed. @param acceptLanguageHeaderElement String to be parsed into a language tag and quality value. The String must not contain comments or whitespace. @param languageTag String into which the parsed language tag is stored. @param quality Real32 into which the parsed quality value is stored. @exception Exception if a syntax error is encountered. */ static void _parseAcceptLanguageElement( const String& acceptLanguageElement, String& languageTag, Real32& quality); /** Fills the first position in the array with the most general part of the language String, each subsequent postion is the array gets more and more detailed. For example: en-us-fooblah would be returned as ["en"]["us"]["fooblah"] @param subtags Array<String>& array filled in with the root and subtags @param languageTag String the language to parse @return String the root of the language tag @exception Exception if a syntax error is encountered. */ static void _parseLanguageSubtags( Array<String>& subtags, const String& languageTagString); /** Checks if a String represents a valid language tag primary subtag. A valid primary subtag contains 1 to 8 alphabetic characters. @param subtag The subtag String to validate. @return True if the String represents a valid language tag primary subtag; false otherwise. */ static Boolean _isValidPrimarySubtagSyntax(const String& subtag); /** Checks if a String represents a valid language tag subtag. A valid primary subtag contains 1 to 8 alphanumeric characters. @param subtag The subtag String to validate. @return True if the String represents a valid language tag subtag; false otherwise. */ static Boolean _isValidSubtagSyntax(const String& subtag); }; PEGASUS_NAMESPACE_END #endif
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