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/*
* Copyright © 2007 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
@RET@ FcLangSet *
@FUNC@ FcLangSetCreate
@TYPE1@ void
@PURPOSE@ create a langset object
@DESC@
<function>FcLangSetCreate</function> creates a new FcLangSet object.
@@
@RET@ void
@FUNC@ FcLangSetDestroy
@TYPE1@ FcLangSet * @ARG1@ ls
@PURPOSE@ destroy a langset object
@DESC@
<function>FcLangSetDestroy</function> destroys a FcLangSet object, freeing
all memory associated with it.
@@
@RET@ FcLangSet *
@FUNC@ FcLangSetCopy
@TYPE1@ const FcLangSet * @ARG1@ ls
@PURPOSE@ copy a langset object
@DESC@
<function>FcLangSetCopy</function> creates a new FcLangSet object and
populates it with the contents of <parameter>ls</parameter>.
@@
@RET@ FcBool
@FUNC@ FcLangSetAdd
@TYPE1@ FcLangSet * @ARG1@ ls
@TYPE2@ const FcChar8 * @ARG2@ lang
@PURPOSE@ add a language to a langset
@DESC@
<parameter>lang</parameter> is added to <parameter>ls</parameter>.
<parameter>lang</parameter> should be of the form Ll-Tt where Ll is a
two or three letter language from ISO 639 and Tt is a territory from ISO
3166.
@@
@RET@ FcBool
@FUNC@ FcLangSetDel
@TYPE1@ FcLangSet * @ARG1@ ls
@TYPE2@ const FcChar8 * @ARG2@ lang
@PURPOSE@ delete a language from a langset
@DESC@
<parameter>lang</parameter> is removed from <parameter>ls</parameter>.
<parameter>lang</parameter> should be of the form Ll-Tt where Ll is a
two or three letter language from ISO 639 and Tt is a territory from ISO
3166.
@@
@RET@ FcLangSet *
@FUNC@ FcLangSetUnion
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ Add langsets
@DESC@
Returns a set including only those languages found in either <parameter>ls_a</parameter> or <parameter>ls_b</parameter>.
@@
@RET@ FcLangSet *
@FUNC@ FcLangSetSubtract
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ Subtract langsets
@DESC@
Returns a set including only those languages found in <parameter>ls_a</parameter> but not in <parameter>ls_b</parameter>.
@@
@RET@ FcLangResult
@FUNC@ FcLangSetCompare
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ compare language sets
@DESC@
<function>FcLangSetCompare</function> compares language coverage for
<parameter>ls_a</parameter> and <parameter>ls_b</parameter>. If they share
any language and territory pair, this function returns FcLangEqual. If they
share a language but differ in which territory that language is for, this
function returns FcLangDifferentTerritory. If they share no languages in
common, this function returns FcLangDifferentLang.
@@
@RET@ FcBool
@FUNC@ FcLangSetContains
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ check langset subset relation
@DESC@
<function>FcLangSetContains</function> returns FcTrue if
<parameter>ls_a</parameter> contains every language in
<parameter>ls_b</parameter>. <parameter>ls_a</parameter> will 'contain' a
language from <parameter>ls_b</parameter> if <parameter>ls_a</parameter>
has exactly the language, or either the language or
<parameter>ls_a</parameter> has no territory.
@@
@RET@ FcBool
@FUNC@ FcLangSetEqual
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ test for matching langsets
@DESC@
Returns FcTrue if and only if <parameter>ls_a</parameter> supports precisely
the same language and territory combinations as <parameter>ls_b</parameter>.
@@
@RET@ FcChar32
@FUNC@ FcLangSetHash
@TYPE1@ const FcLangSet * @ARG1@ ls
@PURPOSE@ return a hash value for a langset
@DESC@
This function returns a value which depends solely on the languages
supported by <parameter>ls</parameter>. Any language which equals
<parameter>ls</parameter> will have the same result from
<function>FcLangSetHash</function>. However, two langsets with the same hash
value may not be equal.
@@
@RET@ FcLangResult
@FUNC@ FcLangSetHasLang
@TYPE1@ const FcLangSet * @ARG1@ ls
@TYPE2@ const FcChar8 * @ARG2@ lang
@PURPOSE@ test langset for language support
@DESC@
<function>FcLangSetHasLang</function> checks whether
<parameter>ls</parameter> supports <parameter>lang</parameter>. If
<parameter>ls</parameter> has a matching language and territory pair,
this function returns FcLangEqual. If <parameter>ls</parameter> has
a matching language but differs in which territory that language is for, this
function returns FcLangDifferentTerritory. If <parameter>ls</parameter>
has no matching language, this function returns FcLangDifferentLang.
@@
@RET@ FcStrSet *
@FUNC@ FcGetDefaultLangs
@TYPE1@ void
@PURPOSE@ Get the default languages list
@DESC@
Returns a string set of the default languages according to the environment variables on the system.
This function looks for them in order of FC_LANG, LC_ALL, LC_CTYPE and LANG then.
If there are no valid values in those environment variables, "en" will be set as fallback.
@RET@ FcStrSet *
@FUNC@ FcLangSetGetLangs
@TYPE1@ const FcLangSet * @ARG1@ ls
@PURPOSE@ get the list of languages in the langset
@DESC@
Returns a string set of all languages in <parameter>langset</parameter>.
@@
@RET@ FcStrSet *
@FUNC@ FcGetLangs
@TYPE1@ void
@PURPOSE@ Get list of languages
@DESC@
Returns a string set of all known languages.
@@
@RET@ FcChar8 *
@FUNC@ FcLangNormalize
@TYPE1@ const FcChar8 * @ARG1@ lang
@PURPOSE@ Normalize the language string
@DESC@
Returns a string to make <parameter>lang</parameter> suitable on fontconfig.
@@
@RET@ const FcCharSet *
@FUNC@ FcLangGetCharSet
@TYPE1@ const FcChar8 * @ARG1@ lang
@PURPOSE@ Get character map for a language
@DESC@
Returns the FcCharMap for a language.
@@
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