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util/StringCompare: use StringView to simplify inline implementations

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This commit is contained in:
Max Kellermann 2015-11-06 09:30:54 +01:00
parent 0d1a54262c
commit 4d15db0134
2 changed files with 14 additions and 31 deletions
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26
src/util/StringCompare.cxx
View File

@ -28,17 +28,6 @@
*/
#include "StringCompare.hxx"
#include "StringAPI.hxx"
#include <assert.h>
#include <string.h>
bool
StringStartsWith(const char *haystack, const char *needle)
{
const size_t length = StringLength(needle);
return StringIsEqual(haystack, needle, length);
}
bool
StringEndsWith(const char *haystack, const char *needle)
@ -51,21 +40,6 @@ StringEndsWith(const char *haystack, const char *needle)
needle, needle_length) == 0;
}
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)
{

19
src/util/StringCompare.hxx
View File

@ -30,6 +30,7 @@
#ifndef STRING_COMPARE_HXX
#define STRING_COMPARE_HXX
#include "StringView.hxx"
#include "Compiler.h"
#ifdef _UNICODE
@ -42,9 +43,12 @@ StringIsEmpty(const char *string)
return *string == 0;
}
gcc_pure
bool
StringStartsWith(const char *haystack, const char *needle);
gcc_pure gcc_nonnull_all
static inline bool
StringStartsWith(const char *haystack, StringView needle)
{
return strncmp(haystack, needle.data, needle.size) == 0;
}
gcc_pure
bool
@ -56,8 +60,13 @@ StringEndsWith(const char *haystack, const char *needle);
* nullptr.
*/
gcc_pure gcc_nonnull_all
const char *
StringAfterPrefix(const char *string, const char *prefix);
static inline const char *
StringAfterPrefix(const char *haystack, StringView needle)
{
return StringStartsWith(haystack, needle)
? haystack + needle.size
: nullptr;
}
/**
* Check if the given string ends with the specified suffix. If yes,