sourcemod/public/ITranslator.h
Michael Flaherty d685f30847 Add Translation Natives (#669)
* Add Translation Natives

See #626

* Fix vocab errors
* Better description
* Bump ITranslator Version
* Implement KyleS' Review Requests
* Improve documentation
2017-11-20 21:24:01 -08:00

382 lines
14 KiB
C++

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_TRANSLATOR_INTERFACE_H_
#define _INCLUDE_SOURCEMOD_TRANSLATOR_INTERFACE_H_
#include <IShareSys.h>
#define SMINTERFACE_TRANSLATOR_NAME "ITranslator"
#define SMINTERFACE_TRANSLATOR_VERSION 5
#define MAX_TRANSLATE_PARAMS 32
#define CORELANG_ENGLISH 0
/**
* @file ITranslator.h
* @brief Defines interfaces related to translation files.
*/
namespace SourceMod
{
/**
* @brief SourceMod hardcodes the English language (default) to ID 0.
* This cannot be changed and languages.cfg should never have it as anything
* other than the first index.
*/
#define SOURCEMOD_LANGUAGE_ENGLISH 0
/**
* @brief For %T formats, specifies that the language should be that of the
* server and not a specific client.
*/
#define SOURCEMOD_SERVER_LANGUAGE 0
/**
* @brief Translation error codes.
*/
enum TransError
{
Trans_Okay = 0, /**< Translation succeeded. */
Trans_BadLanguage = 1, /**< Bad language ID. */
Trans_BadPhrase = 2, /**< Phrase not found. */
Trans_BadPhraseLanguage = 3, /**< Phrase not found in the given language. */
Trans_BadPhraseFile = 4, /**< Phrase file was unreadable. */
};
/**
* @brief Contains information about a translation phrase.
*/
struct Translation
{
const char *szPhrase; /**< Translated phrase. */
unsigned int fmt_count; /**< Number of format parameters. */
int *fmt_order; /**< Array of size fmt_count where each
element is the numerical order of
parameter insertion, starting from
0.
*/
};
/**
* @brief Represents a phrase file from SourceMod's "translations" folder.
*/
class IPhraseFile
{
public:
/**
* @brief Attempts to find a translation phrase in a phrase file.
*
* @param szPhrase String containing the phrase name.
* @param lang_id Language ID.
* @param pTrans Buffer to store translation info.
* @return Translation error code indicating success
* (pTrans is filled) or failure (pTrans
* contents is undefined).
*/
virtual TransError GetTranslation(
const char *szPhrase,
unsigned int lang_id,
Translation *pTrans) =0;
/**
* @brief Returns the file name of this translation file.
*
* @return File name.
*/
virtual const char *GetFilename() =0;
/**
* @brief Determines if a translation phrase exists within
* the file.
*
* @param phrase Phrase to search for.
* @return True if the phrase was found.
*/
virtual bool TranslationPhraseExists(const char* phrase) =0;
};
/**
* Represents a collection of phrase files.
*/
class IPhraseCollection
{
public:
/**
* @brief Adds a phrase file to the collection, using a cached one
* if already found. The return value is provided for informational
* purposes and does not need to be saved. The life time of the
* return pointer is equal to the life time of the collection.
*
* This function will internally ignore dupliate additions but still
* return a valid pointer.
*
* @param filename File name, without the ".txt" extension, of
* the phrase file in the translations folder.
* @return An IPhraseFile pointer, even if the file does
* not exist.
*/
virtual IPhraseFile *AddPhraseFile(const char *filename) =0;
/**
* @brief Returns the number of contained phrase files.
*
* @return Number of contained phrase files.
*/
virtual unsigned int GetFileCount() =0;
/**
* @brief Returns the pointer to a contained phrase file.
*
* @param file File index, from 0 to GetFileCount()-1.
* @return IPhraseFile pointer, or NULL if out of
* range.
*/
virtual IPhraseFile *GetFile(unsigned int file) =0;
/**
* @brief Destroys the phrase collection, freeing all internal
* resources and invalidating the object.
*/
virtual void Destroy() =0;
/**
* @brief Attempts a translation across a given language. All
* contained files are searched for an appropriate match; the
* first valid match is returned.
*
* @param key String containing the phrase name.
* @param langid Language ID to translate to.
* @param pTrans Translation buffer.
* @return Translation error code; on success,
* pTrans is valid. On failure, the
* contents of pTrans is undefined.
*/
virtual TransError FindTranslation(
const char *key,
unsigned int langid,
Translation *pTrans) =0;
/**
* @brief Formats a phrase given a parameter stack. The parameter
* stack size must exactly match the expected parameter count. If
* this count is too small or too large, the format fails.
*
* @param buffer Buffer to store formatted text.
* @param maxlength Maximum length of the buffer.
* @param format String containing format information.
* This is equivalent to SourceMod's Format()
* native, and sub-translations are acceptable.
* @param params An array of pointers to each parameter.
* Integer parameters must have a pointer to the integer.
* Float parameters must have a pointer to a float.
* String parameters must be a string pointer.
* Char parameters must be a pointer to a char.
* Translation parameters fill multiple indexes in the
* array. For %T translations, the expected stack is:
* [phrase string pointer] [int target id pointer] [...]
* Where [...] is the required parameters for the translation,
* in the order expected by the phrase, not the phrase's
* translation. For example, say the format is:
* "%d %T" and the phrase's format is {1:s,2:f}, then the
* parameter stack should be:
* int *, const char *, int *, const char *, float *
* The %t modifier is the same except the target id pointer
* would be removed:
* int *, const char *, const char *, float *
* @param numparams Number of parameters in the params array.
* @param pOutLength Optional pointer filled with output length on success.
* @param pFailPhrase Optional pointer; on failure, is filled with NULL if the
* failure was not due to a failed translation phrase.
* Otherwise, it is filled with the given phrase name pointer
* from the parameter stack. Undefined on success.
* @return True on success. False if the parameter stack was not
* exactly the right length, or if a translation phrase
* could not be found.
*/
virtual bool FormatString(
char *buffer,
size_t maxlength,
const char *format,
void **params,
unsigned int numparams,
size_t *pOutLength,
const char **pFailPhrase) =0;
/**
* @brief Determines if a translation phrase exists within
* the collection.
*
* @param phrase Phrase to search for.
* @return True if the phrase was found.
*/
virtual bool TranslationPhraseExists(const char *phrase) =0;
};
/**
* @brief Provides functions for translation.
*/
class ITranslator : public SMInterface
{
public:
virtual const char *GetInterfaceName() =0;
virtual unsigned int GetInterfaceVersion() =0;
public:
/**
* @brief Creates a new phrase collection object.
*
* @return A new phrase collection object, which must be
* destroyed via IPhraseCollection::Destroy() when
* no longer needed.
*/
virtual IPhraseCollection *CreatePhraseCollection() =0;
/**
* @brief Returns the server language.
*
* @return Server language index.
*/
virtual unsigned int GetServerLanguage() =0;
/**
* @brief Returns a client's language.
*
* @param client Client index.
* @return Client language index, or server's if client's is
* not known.
*/
virtual unsigned int GetClientLanguage(int client) =0;
/**
* @brief Sets the global client SourceMod will use for assisted
* translations (that is, %t).
*
* @param index Client index (0 for server).
* @return Old global client value.
*/
virtual int SetGlobalTarget(int index) =0;
/**
* @brief Returns the global client SourceMod is currently using
* for assisted translations (that is, %t).
*
* @return Global client index (0 for server).
*/
virtual int GetGlobalTarget() const =0;
/**
* @brief Formats a phrase given a parameter stack. The parameter
* stack size must exactly match the expected parameter count. If
* this count is too small or too large, the format fails.
*
* Note: This is the same as IPhraseCollection::FormatString(), except
* that the IPhraseCollection parameter is explicit instead of implicit.
*
* @param buffer Buffer to store formatted text.
* @param maxlength Maximum length of the buffer.
* @param format String containing format information.
* This is equivalent to SourceMod's Format()
* native, and sub-translations are acceptable.
* @param pPhrases Optional phrase collection pointer to search for
* phrases.
* @param params An array of pointers to each parameter.
* Integer parameters must have a pointer to the integer.
* Float parameters must have a pointer to a float.
* String parameters must be a string pointer.
* Char parameters must be a pointer to a char.
* Translation parameters fill multiple indexes in the
* array. For %T translations, the expected stack is:
* [phrase string pointer] [int target id pointer] [...]
* Where [...] is the required parameters for the translation,
* in the order expected by the phrase, not the phrase's
* translation. For example, say the format is:
* "%d %T" and the phrase's format is {1:s,2:f}, then the
* parameter stack should be:
* int *, const char *, int *, const char *, float *
* The %t modifier is the same except the target id pointer
* would be removed:
* int *, const char *, const char *, float *
* @param numparams Number of parameters in the params array.
* @param pOutLength Optional pointer filled with output length on success.
* @param pFailPhrase Optional pointer; on failure, is filled with NULL if the
* failure was not due to a failed translation phrase.
* Otherwise, it is filled with the given phrase name pointer
* from the parameter stack. Undefined on success.
* @return True on success. False if the parameter stack was not
* exactly the right length, or if a translation phrase
* could not be found.
*/
virtual bool FormatString(
char *buffer,
size_t maxlength,
const char *format,
IPhraseCollection *pPhrases,
void **params,
unsigned int numparams,
size_t *pOutLength,
const char **pFailPhrase) =0;
/**
* @brief Get number of languages.
*
* @return Number of languages.
*/
virtual unsigned int GetLanguageCount() =0;
/**
* @brief Find a language number by name.
*
* @param name Language name.
* @param index Optional pointer to store language index.
* @return True if found, false otherwise.
*/
virtual bool GetLanguageByName(const char *name, unsigned int *index) =0;
/**
* @brief Retrieves info about a given language number.
*
* @param number Language number.
* @param code Pointer to store the language code.
* @param name Pointer to store language name.
* @return True if language number is valid, false otherwise.
*/
virtual bool GetLanguageInfo(unsigned int number, const char **code, const char **name) =0;
/**
* @brief Reparses all loaded translations files.
*/
virtual void RebuildLanguageDatabase() =0;
};
}
#endif //_INCLUDE_SOURCEMOD_TRANSLATOR_INTERFACE_H_