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332 lines
9.4 KiB
332 lines
9.4 KiB
#ifndef language_h
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#define language_h
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/*
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* language.h
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* Localization support for HTML Tidy.
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* This header provides the public (within libtidy) interface
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* to basic localization support. To add your own localization
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* create a new `language_xx.h` file and add it to the struct
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* in `language.c`.
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*
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* (c) 2015 HTACG
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* See tidy.h and access.h for the copyright notice.
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*
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* Created by Jim Derry on 11/28/15.
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*/
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#include "tidyplatform.h"
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/** @name Exposed Data Structures */
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/** @{ */
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/**
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* Describes a record for a localization string.
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* - key must correspond with one of Tidy's enums (see `tidyMessageTypes`
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* below)
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* - pluralForm corresponds to gettext plural forms case (not singularity).
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* Most entries should be case 0, representing the single case.:
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* https://www.gnu.org/software/gettext/manual/html_node/Plural-forms.html
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*/
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typedef struct languageDictionaryEntry {
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uint key;
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uint pluralForm;
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ctmbstr value;
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} languageDictionaryEntry;
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/**
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* For now we'll just use an array to hold all of the dictionary
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* entries. In the future we can convert this to a hash structure
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* which will make looking up strings faster.
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*/
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typedef languageDictionaryEntry const languageDictionary[600];
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/**
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* Finally, a complete language definition. The item `pluralForm`
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* is a function pointer that will provide the correct plural
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* form given the value `n`. The actual function is present in
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* each language header and is language dependent.
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*/
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typedef struct languageDefinition {
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uint (*whichPluralForm)(uint n);
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languageDictionary messages;
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} languageDefinition;
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/**
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* The function getNextWindowsLanguage() returns pointers to this type;
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* it gives LibTidy implementors the ability to determine how Windows
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* locale names are mapped to POSIX language codes.
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*/
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typedef struct tidyLocaleMapItem {
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ctmbstr winName;
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ctmbstr POSIXName;
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} tidyLocaleMapItem;
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/**
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* The function getNextErrorCode() returns pointers to this type; it gives
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* LibTidy implementors the ability to know what errors can be returned
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* via `TidyReportFilter3`.
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* Provides the mapping for LibTidy users to map between an opaque key
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* and an error message value. See `tidyErrorFilterKeys[]` in `language.c`.
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* The `key` string is guaranteed by the API (unless deleted entirely). The
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* `value` is suitable for use in looking up Tidy's strings, but its value
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* is not guaranteed between releases.
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*/
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typedef struct tidyErrorFilterKeyItem {
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ctmbstr key;
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int value;
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} tidyErrorFilterKeyItem;
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/**
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* Defines all of the possible dictionary keys.
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* The starting value is arbitrary but must prevent overlaps
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* with other enums that are used for retrieving strings. The
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* comprehensive list of enums for which we provides strings
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* is as follows:
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* - `tidyMessageTypes` in this file, start == 4096.
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* - `tidyErrorCodes` from `message.h`, start == 200.
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* - `accessErrorCodes` from `access.h`, start == CODES_TIDY_ERROR_LAST+1.
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* - `tidyMessagesMisc` from `message.h`, start == 2048.
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* - `TidyOptionId` from `tidyEnum.h`, start == 0 (important!).
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* - `TidyReportLevelKeys` from `tidyEnum.h`, start == 600.
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* - ...
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* You should never count on the value of a label being
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* constant. Accordingly feel free to arrange new enum
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* values in the most appropriate grouping below.
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*/
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typedef enum
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{
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/* This MUST be present and first. */
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TIDY_MESSAGE_TYPE_FIRST = 4096,
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/* Specify the code for this language. */
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TIDY_LANGUAGE,
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/* Localization test strings. */
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TEST_PRESENT_IN_BASE,
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TEST_PRESENT_IN_REGION,
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/* Strings for the console application. */
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TC_CAT_DIAGNOSTICS,
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TC_CAT_ENCODING,
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TC_CAT_MARKUP,
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TC_CAT_MISC,
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TC_CAT_PRETTYPRINT,
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TC_LABEL_COL,
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TC_LABEL_FILE,
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TC_LABEL_LANG,
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TC_LABEL_LEVL,
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TC_LABEL_OPT,
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TC_MAIN_ERROR_LOAD_CONFIG,
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TC_OPT_ACCESS,
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TC_OPT_ASCII,
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TC_OPT_ASHTML,
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TC_OPT_ASXML,
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TC_OPT_BARE,
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TC_OPT_BIG5,
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TC_OPT_CLEAN,
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TC_OPT_CONFIG,
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TC_OPT_ERRORS,
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TC_OPT_FILE,
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TC_OPT_GDOC,
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TC_OPT_HELP,
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TC_OPT_HELPCFG,
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TC_OPT_HELPOPT,
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TC_OPT_IBM858,
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TC_OPT_INDENT,
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TC_OPT_ISO2022,
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TC_OPT_LANGUAGE,
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TC_OPT_LATIN0,
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TC_OPT_LATIN1,
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TC_OPT_MAC,
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TC_OPT_MODIFY,
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TC_OPT_NUMERIC,
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TC_OPT_OMIT,
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TC_OPT_OUTPUT,
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TC_OPT_QUIET,
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TC_OPT_RAW,
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TC_OPT_SHIFTJIS,
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TC_OPT_SHOWCFG,
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TC_OPT_UPPER,
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TC_OPT_UTF16,
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TC_OPT_UTF16BE,
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TC_OPT_UTF16LE,
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TC_OPT_UTF8,
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TC_OPT_VERSION,
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TC_OPT_WIN1252,
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TC_OPT_WRAP,
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TC_OPT_XML,
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TC_OPT_XMLCFG,
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TC_OPT_XMLSTRG,
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TC_OPT_XMLERRS,
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TC_OPT_XMLOPTS,
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TC_OPT_XMLHELP,
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TC_STRING_CONF_HEADER,
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TC_STRING_CONF_NAME,
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TC_STRING_CONF_TYPE,
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TC_STRING_CONF_VALUE,
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TC_STRING_CONF_NOTE,
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TC_STRING_OPT_NOT_DOCUMENTED,
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TC_STRING_OUT_OF_MEMORY,
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TC_STRING_FATAL_ERROR,
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TC_STRING_FILE_MANIP,
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TC_STRING_LANG_MUST_SPECIFY,
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TC_STRING_LANG_NOT_FOUND,
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TC_STRING_MUST_SPECIFY,
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TC_STRING_PROCESS_DIRECTIVES,
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TC_STRING_CHAR_ENCODING,
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TC_STRING_MISC,
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TC_STRING_XML,
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TC_STRING_UNKNOWN_OPTION,
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TC_STRING_UNKNOWN_OPTION_B,
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TC_STRING_VERS_A,
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TC_STRING_VERS_B,
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TC_TXT_HELP_1,
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TC_TXT_HELP_2A,
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TC_TXT_HELP_2B,
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TC_TXT_HELP_3,
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TC_TXT_HELP_CONFIG,
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TC_TXT_HELP_CONFIG_NAME,
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TC_TXT_HELP_CONFIG_TYPE,
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TC_TXT_HELP_CONFIG_ALLW,
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TC_TXT_HELP_LANG_1,
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TC_TXT_HELP_LANG_2,
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TC_TXT_HELP_LANG_3,
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/* This MUST be present and last. */
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TIDY_MESSAGE_TYPE_LAST
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} tidyMessageTypes;
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/**
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* LibTidy users may want to use `TidyReportFilter3` to enable their own
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* localization lookup features. Because Tidy's errors codes are enums the
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* specific values can change over time. This function returns a string
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* representing the enum value name that can be used as a lookup key
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* independent of changing string values (TidyReportFiler2 is vulnerable
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* to changing strings). `TidyReportFilter3` will return this general
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* string as the error message indicator.
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*/
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ctmbstr tidyErrorCodeAsString(uint code);
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/** @} */
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/** @name Localization Related Functions */
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/** @{ */
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/**
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** Determines the current locale without affecting the C locale.
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** Tidy has always used the default C locale, and at this point
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** in its development we're not going to tamper with that.
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** @param result The buffer to use to return the string.
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** Returns NULL on failure.
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** @return The same buffer for convenience.
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*/
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tmbstr tidySystemLocale(tmbstr result);
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/**
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* Tells Tidy to use a different language for output.
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* @param languageCode A Windows or POSIX language code, and must match
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* a TIDY_LANGUAGE for an installed language.
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* @result Indicates that a setting was applied, but not necessarily the
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* specific request, i.e., true indicates a language and/or region
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* was applied. If es_mx is requested but not installed, and es is
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* installed, then es will be selected and this function will return
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* true. However the opposite is not true; if es is requested but
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* not present, Tidy will not try to select from the es_XX variants.
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*/
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Bool tidySetLanguage( ctmbstr languageCode );
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/**
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* Gets the current language used by Tidy.
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*/
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ctmbstr tidyGetLanguage();
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/**
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* Provides a string given `messageType` in the current
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* localization for `quantity`.
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*/
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ctmbstr tidyLocalizedStringN( uint messageType, uint quantity );
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/**
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* Provides a string given `messageType` in the current
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* localization for the single case.
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*/
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ctmbstr tidyLocalizedString( uint messageType );
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/** @} */
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/** @name Documentation Generation */
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/** @{ */
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/**
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* Provides a string given `messageType` in the default
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* localization (which is `en`).
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*/
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ctmbstr tidyDefaultString( uint messageType );
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/*
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* Initializes the TidyIterator to point to the first item
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* in Tidy's list of localization string keys. Note that
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* these are provided for documentation generation purposes
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* and probably aren't useful for LibTidy implementors.
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*/
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TidyIterator getStringKeyList();
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/*
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* Provides the next key value in Tidy's list of localized
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* strings. Note that these are provided for documentation
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* generation purposes and probably aren't useful to
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* libtidy implementors.
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*/
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uint getNextStringKey( TidyIterator* iter );
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/**
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* Initializes the TidyIterator to point to the first item
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* in Tidy's structure of Windows<->POSIX local mapping.
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* Items can be retrieved with getNextWindowsLanguage();
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*/
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TidyIterator getWindowsLanguageList();
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/**
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* Returns the next record of type `localeMapItem` in
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* Tidy's structure of Windows<->POSIX local mapping.
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*/
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const tidyLocaleMapItem *getNextWindowsLanguage( TidyIterator* iter );
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/**
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* Initializes the TidyIterator to point to the first item
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* in Tidy's list of installed language codes.
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* Items can be retrieved with getNextInstalledLanguage();
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*/
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TidyIterator getInstalledLanguageList();
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/**
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* Returns the next installed language.
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*/
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ctmbstr getNextInstalledLanguage( TidyIterator* iter );
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/**
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* Initializes the TidyIterator to point to the first item
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* in Tidy's list of error codes that can be return with
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* `TidyReportFilter3`.
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* Items can be retrieved with getNextErrorCode();
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*/
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TidyIterator getErrorCodeList();
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/**
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* Returns the next error code.
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*/
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const tidyErrorFilterKeyItem *getNextErrorCode( TidyIterator* iter );
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/** @} */
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#endif /* language_h */
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