257 lines
8.4 KiB
Plaintext
257 lines
8.4 KiB
Plaintext
/*
|
|
* fontconfig/doc/fcstring.fncs
|
|
*
|
|
* Copyright © 2003 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 author(s) not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. The authors make no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE AUTHOR(S) 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.
|
|
*/
|
|
<variablelist>
|
|
|
|
@RET@ int
|
|
@FUNC@ FcUtf8ToUcs4
|
|
@TYPE1@ FcChar8 * @ARG1@ src
|
|
@TYPE2@ FcChar32 * @ARG2@ dst
|
|
@TYPE3@ int% @ARG3@ len
|
|
@PURPOSE@ convert UTF-8 to UCS4
|
|
@DESC@
|
|
Converts the next Unicode char from <parameter>src</parameter> into
|
|
<parameter>dst</parameter> and returns the number of bytes containing the
|
|
char. <parameter>src</parameter> must be at least
|
|
<parameter>len</parameter> bytes long.
|
|
@@
|
|
|
|
@RET@ int
|
|
@FUNC@ FcUcs4ToUtf8
|
|
@TYPE1@ FcChar32% @ARG1@ src
|
|
@TYPE2@ FcChar8% @ARG2@ dst[FC_UTF8_MAX_LEN]
|
|
@PURPOSE@ convert UCS4 to UTF-8
|
|
@DESC@
|
|
Converts the Unicode char from <parameter>src</parameter> into
|
|
<parameter>dst</parameter> and returns the number of bytes needed to encode
|
|
the char.
|
|
@@
|
|
|
|
@RET@ FcBool
|
|
@FUNC@ FcUtf8Len
|
|
@TYPE1@ FcChar8 * @ARG1@ src
|
|
@TYPE2@ int% @ARG2@ len
|
|
@TYPE3@ int * @ARG3@ nchar
|
|
@TYPE4@ int * @ARG4@ wchar
|
|
@PURPOSE@ count UTF-8 encoded chars
|
|
@DESC@
|
|
Counts the number of Unicode chars in <parameter>len</parameter> bytes of
|
|
<parameter>src</parameter>. Places that count in
|
|
<parameter>nchar</parameter>. <parameter>wchar</parameter> contains 1, 2 or
|
|
4 depending on the number of bytes needed to hold the largest Unicode char
|
|
counted. The return value indicates whether <parameter>src</parameter> is a
|
|
well-formed UTF8 string.
|
|
@@
|
|
|
|
@RET@ int
|
|
@FUNC@ FcUtf16ToUcs4
|
|
@TYPE1@ FcChar8 * @ARG1@ src
|
|
@TYPE2@ FcEndian% @ARG2@ endian
|
|
@TYPE3@ FcChar32 * @ARG3@ dst
|
|
@TYPE4@ int% @ARG4@ len
|
|
@PURPOSE@ convert UTF-16 to UCS4
|
|
@DESC@
|
|
Converts the next Unicode char from <parameter>src</parameter> into
|
|
<parameter>dst</parameter> and returns the number of bytes containing the
|
|
char. <parameter>src</parameter> must be at least <parameter>len</parameter>
|
|
bytes long. Bytes of <parameter>src</parameter> are combined into 16-bit
|
|
units according to <parameter>endian</parameter>.
|
|
@@
|
|
|
|
@RET@ FcBool
|
|
@FUNC@ FcUtf16Len
|
|
@TYPE1@ FcChar8 * @ARG1@ src
|
|
@TYPE2@ FcEndian% @ARG2@ endian
|
|
@TYPE3@ int% @ARG3@ len
|
|
@TYPE4@ int * @ARG4@ nchar
|
|
@TYPE5@ int * @ARG5@ wchar
|
|
@PURPOSE@ count UTF-16 encoded chars
|
|
@DESC@
|
|
Counts the number of Unicode chars in <parameter>len</parameter> bytes of
|
|
<parameter>src</parameter>. Bytes of <parameter>src</parameter> are
|
|
combined into 16-bit units according to <parameter>endian</parameter>.
|
|
Places that count in <parameter>nchar</parameter>.
|
|
<parameter>wchar</parameter> contains 1, 2 or 4 depending on the number of
|
|
bytes needed to hold the largest Unicode char counted. The return value
|
|
indicates whether <parameter>string</parameter> is a well-formed UTF16
|
|
string.
|
|
@@
|
|
|
|
@RET@ FcBool
|
|
@FUNC@ FcIsLower
|
|
@TYPE1@ FcChar8 @ARG1@ c
|
|
@PURPOSE@ check for lower case ASCII character
|
|
@DESC@
|
|
This macro checks whether <parameter>c</parameter> is an lower case ASCII
|
|
letter.
|
|
@@
|
|
|
|
@RET@ FcBool
|
|
@FUNC@ FcIsUpper
|
|
@TYPE1@ FcChar8 @ARG1@ c
|
|
@PURPOSE@ check for upper case ASCII character
|
|
@DESC@
|
|
This macro checks whether <parameter>c</parameter> is a upper case ASCII
|
|
letter.
|
|
@@
|
|
|
|
@RET@ FcChar8
|
|
@FUNC@ FcToLower
|
|
@TYPE1@ FcChar8 @ARG1@ c
|
|
@PURPOSE@ convert upper case ASCII to lower case
|
|
@DESC@
|
|
This macro converts upper case ASCII <parameter>c</parameter> to the
|
|
equivalent lower case letter.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrCopy
|
|
@TYPE1@ const FcChar8 * @ARG1@ s
|
|
@PURPOSE@ duplicate a string
|
|
@DESC@
|
|
Allocates memory, copies <parameter>s</parameter> and returns the resulting
|
|
buffer. Yes, this is <function>strdup</function>, but that function isn't
|
|
available on every platform.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrDowncase
|
|
@TYPE1@ const FcChar8 * @ARG1@ s
|
|
@PURPOSE@ create a lower case translation of a string
|
|
@DESC@
|
|
Allocates memory, copies <parameter>s</parameter>, converting upper case
|
|
letters to lower case and returns the allocated buffer.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrCopyFilename
|
|
@TYPE1@ const FcChar8 * @ARG1@ s
|
|
@PURPOSE@ create a complete path from a filename
|
|
@DESC@
|
|
<function>FcStrCopyFilename</function> constructs an absolute pathname from
|
|
<parameter>s</parameter>. It converts any leading '~' characters in
|
|
to the value of the HOME environment variable, and any relative paths are
|
|
converted to absolute paths using the current working directory. Sequences
|
|
of '/' characters are converted to a single '/', and names containing the
|
|
current directory '.' or parent directory '..' are correctly reconstructed.
|
|
Returns NULL if '~' is the leading character and HOME is unset or disabled
|
|
(see <function>FcConfigEnableHome</function>).
|
|
@@
|
|
|
|
@RET@ int
|
|
@FUNC@ FcStrCmp
|
|
@TYPE1@ const FcChar8 * @ARG1@ s1
|
|
@TYPE2@ const FcChar8 * @ARG2@ s2
|
|
@PURPOSE@ compare UTF-8 strings
|
|
@DESC@
|
|
Returns the usual <0, 0, >0 result of comparing
|
|
<parameter>s1</parameter> and <parameter>s2</parameter>.
|
|
@@
|
|
|
|
@RET@ int
|
|
@FUNC@ FcStrCmpIgnoreCase
|
|
@TYPE1@ const FcChar8 * @ARG1@ s1
|
|
@TYPE2@ const FcChar8 * @ARG2@ s2
|
|
@PURPOSE@ compare UTF-8 strings ignoring case
|
|
@DESC@
|
|
Returns the usual <0, 0, >0 result of comparing
|
|
<parameter>s1</parameter> and <parameter>s2</parameter>. This test is
|
|
case-insensitive for all proper UTF-8 encoded strings.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrStr
|
|
@TYPE1@ const FcChar8 * @ARG1@ s1
|
|
@TYPE2@ const FcChar8 * @ARG2@ s2
|
|
@PURPOSE@ locate UTF-8 substring
|
|
@DESC@
|
|
Returns the location of <parameter>s2</parameter> in
|
|
<parameter>s1</parameter>. Returns NULL if <parameter>s2</parameter>
|
|
is not present in <parameter>s1</parameter>. This test will operate properly
|
|
with UTF8 encoded strings.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrStrIgnoreCase
|
|
@TYPE1@ const FcChar8 * @ARG1@ s1
|
|
@TYPE2@ const FcChar8 * @ARG2@ s2
|
|
@PURPOSE@ locate UTF-8 substring ignoring ASCII case
|
|
@DESC@
|
|
Returns the location of <parameter>s2</parameter> in
|
|
<parameter>s1</parameter>, ignoring case. Returns NULL if
|
|
<parameter>s2</parameter> is not present in <parameter>s1</parameter>.
|
|
This test is case-insensitive for all proper UTF-8 encoded strings.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrPlus
|
|
@TYPE1@ const FcChar8 * @ARG1@ s1
|
|
@TYPE2@ const FcChar8 * @ARG2@ s2
|
|
@PURPOSE@ concatenate two strings
|
|
@DESC@
|
|
This function allocates new storage and places the concatenation of
|
|
<parameter>s1</parameter> and <parameter>s2</parameter> there, returning the
|
|
new string.
|
|
@@
|
|
|
|
@RET@ void
|
|
@FUNC@ FcStrFree
|
|
@TYPE1@ FcChar8 * @ARG1@ s
|
|
@PURPOSE@ free a string
|
|
@DESC@
|
|
This is just a wrapper around free(3) which helps track memory usage of
|
|
strings within the fontconfig library.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrBuildFilename
|
|
@TYPE1@ const FcChar8 * @ARG1@ path
|
|
@TYPE2@ ...
|
|
@PURPOSE@ Concatenate strings as a file path
|
|
@DESC@
|
|
Creates a filename from the given elements of strings as file paths
|
|
and concatenate them with the appropriate file separator.
|
|
Arguments must be null-terminated.
|
|
This returns a newly-allocated memory which should be freed when no longer needed.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrDirname
|
|
@TYPE1@ const FcChar8 * @ARG1@ file
|
|
@PURPOSE@ directory part of filename
|
|
@DESC@
|
|
Returns the directory containing <parameter>file</parameter>. This
|
|
is returned in newly allocated storage which should be freed when no longer
|
|
needed.
|
|
@@
|
|
|
|
@RET@ FcChar8 *
|
|
@FUNC@ FcStrBasename
|
|
@TYPE1@ const FcChar8 * @ARG1@ file
|
|
@PURPOSE@ last component of filename
|
|
@DESC@
|
|
Returns the filename of <parameter>file</parameter> stripped of any leading
|
|
directory names. This is returned in newly allocated storage which should
|
|
be freed when no longer needed.
|
|
@@
|