diff options
Diffstat (limited to 'fontconfig/doc/fcstring.fncs')
| -rw-r--r-- | fontconfig/doc/fcstring.fncs | 488 |
1 files changed, 244 insertions, 244 deletions
diff --git a/fontconfig/doc/fcstring.fncs b/fontconfig/doc/fcstring.fncs index 5f1f93ac1..f30549308 100644 --- a/fontconfig/doc/fcstring.fncs +++ b/fontconfig/doc/fcstring.fncs @@ -1,244 +1,244 @@ -/* - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes 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@ 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. -@@ +/*
+ * 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@ 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.
+@@
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