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Иван Мажукин
mpd
Commits
607c2c5b
Commit
607c2c5b
authored
Oct 16, 2015
by
Max Kellermann
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util/StringUtil: add StringAfterPrefix()
parent
85f58eb0
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4 changed files
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49 additions
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+49
-0
StringUtil.cxx
src/util/StringUtil.cxx
+16
-0
StringUtil.hxx
src/util/StringUtil.hxx
+9
-0
WStringUtil.cxx
src/util/WStringUtil.cxx
+15
-0
WStringUtil.hxx
src/util/WStringUtil.hxx
+9
-0
No files found.
src/util/StringUtil.cxx
View file @
607c2c5b
...
...
@@ -18,6 +18,7 @@
*/
#include "StringUtil.hxx"
#include "StringAPI.hxx"
#include "CharUtil.hxx"
#include "ASCII.hxx"
...
...
@@ -45,6 +46,21 @@ StringEndsWith(const char *haystack, const char *needle)
}
const
char
*
StringAfterPrefix
(
const
char
*
string
,
const
char
*
prefix
)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert
(
string
!=
nullptr
);
assert
(
prefix
!=
nullptr
);
#endif
size_t
prefix_length
=
strlen
(
prefix
);
return
StringIsEqual
(
string
,
prefix
,
prefix_length
)
?
string
+
prefix_length
:
nullptr
;
}
const
char
*
FindStringSuffix
(
const
char
*
p
,
const
char
*
suffix
)
{
const
size_t
p_length
=
strlen
(
p
);
...
...
src/util/StringUtil.hxx
View file @
607c2c5b
...
...
@@ -37,6 +37,15 @@ bool
StringEndsWith
(
const
char
*
haystack
,
const
char
*
needle
);
/**
* Returns the portion of the string after a prefix. If the string
* does not begin with the specified prefix, this function returns
* nullptr.
*/
gcc_pure
gcc_nonnull_all
const
char
*
StringAfterPrefix
(
const
char
*
string
,
const
char
*
prefix
);
/**
* Check if the given string ends with the specified suffix. If yes,
* returns the position of the suffix, and nullptr otherwise.
*/
...
...
src/util/WStringUtil.cxx
View file @
607c2c5b
...
...
@@ -43,6 +43,21 @@ StringEndsWith(const wchar_t *haystack, const wchar_t *needle)
}
const
wchar_t
*
StringAfterPrefix
(
const
wchar_t
*
string
,
const
wchar_t
*
prefix
)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert
(
string
!=
nullptr
);
assert
(
prefix
!=
nullptr
);
#endif
size_t
prefix_length
=
StringLength
(
prefix
);
return
StringIsEqual
(
string
,
prefix
,
prefix_length
)
?
string
+
prefix_length
:
nullptr
;
}
const
wchar_t
*
FindStringSuffix
(
const
wchar_t
*
p
,
const
wchar_t
*
suffix
)
{
const
size_t
p_length
=
StringLength
(
p
);
...
...
src/util/WStringUtil.hxx
View file @
607c2c5b
...
...
@@ -33,6 +33,15 @@ bool
StringEndsWith
(
const
wchar_t
*
haystack
,
const
wchar_t
*
needle
);
/**
* Returns the portion of the string after a prefix. If the string
* does not begin with the specified prefix, this function returns
* nullptr.
*/
gcc_nonnull_all
const
wchar_t
*
StringAfterPrefix
(
const
wchar_t
*
string
,
const
wchar_t
*
prefix
);
/**
* Check if the given string ends with the specified suffix. If yes,
* returns the position of the suffix, and nullptr otherwise.
*/
...
...
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