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Convert case.cpp from C++ to C.

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This commit is contained in:
Reece H. Dunn
2016-05-30 23:59:17 +01:00
parent 63b08a352b
commit 0afcb3f89f
4 changed files with 20 additions and 35 deletions
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src/case.cpp → src/case.c
+4 -21
View File
@@ -25,8 +25,6 @@
#include <stddef.h>
using namespace ucd;
// Unicode Character Data 8.0.0
struct case_conversion_entry
@@ -37,7 +35,7 @@ struct case_conversion_entry
codepoint_t titlecase;
};
static const case_conversion_entry case_conversion_data[] =
static const struct case_conversion_entry case_conversion_data[] =
{
{ 0x000041, 0x000000, 0x000061, 0x000000 },
{ 0x000042, 0x000000, 0x000062, 0x000000 },
@@ -2512,18 +2510,13 @@ static const case_conversion_entry case_conversion_data[] =
};
codepoint_t ucd_toupper(codepoint_t c)
{
return ucd::toupper(c);
}
ucd::codepoint_t ucd::toupper(codepoint_t c)
{
int begin = 0;
int end = sizeof(case_conversion_data)/sizeof(case_conversion_data[0]);
while (begin <= end)
{
int pos = (begin + end) / 2;
const case_conversion_entry *item = (case_conversion_data + pos);
const struct case_conversion_entry *item = (case_conversion_data + pos);
if (c == item->codepoint)
return item->uppercase == 0 ? c : item->uppercase;
else if (c > item->codepoint)
@@ -2535,18 +2528,13 @@ ucd::codepoint_t ucd::toupper(codepoint_t c)
}
codepoint_t ucd_tolower(codepoint_t c)
{
return ucd::tolower(c);
}
ucd::codepoint_t ucd::tolower(codepoint_t c)
{
int begin = 0;
int end = sizeof(case_conversion_data)/sizeof(case_conversion_data[0]);
while (begin <= end)
{
int pos = (begin + end) / 2;
const case_conversion_entry *item = (case_conversion_data + pos);
const struct case_conversion_entry *item = (case_conversion_data + pos);
if (c == item->codepoint)
return item->lowercase == 0 ? c : item->lowercase;
else if (c > item->codepoint)
@@ -2558,18 +2546,13 @@ ucd::codepoint_t ucd::tolower(codepoint_t c)
}
codepoint_t ucd_totitle(codepoint_t c)
{
return ucd::totitle(c);
}
ucd::codepoint_t ucd::totitle(codepoint_t c)
{
int begin = 0;
int end = sizeof(case_conversion_data)/sizeof(case_conversion_data[0]);
while (begin <= end)
{
int pos = (begin + end) / 2;
const case_conversion_entry *item = (case_conversion_data + pos);
const struct case_conversion_entry *item = (case_conversion_data + pos);
if (c == item->codepoint)
return item->titlecase == 0 ? c : item->titlecase;
else if (c > item->codepoint)
src/include/ucd/ucd.h
+12 -3
View File
@@ -844,7 +844,10 @@ namespace ucd
* @return The upper-case Unicode codepoint for this codepoint, or
* this codepoint if there is no upper-case codepoint.
*/
codepoint_t toupper(codepoint_t c);
inline codepoint_t toupper(codepoint_t c)
{
return ucd_toupper(c);
}
/** @brief Convert the Unicode codepoint to lower-case.
*
@@ -856,7 +859,10 @@ namespace ucd
* @return The lower-case Unicode codepoint for this codepoint, or
* this codepoint if there is no upper-case codepoint.
*/
codepoint_t tolower(codepoint_t c);
inline codepoint_t tolower(codepoint_t c)
{
return ucd_tolower(c);
}
/** @brief Convert the Unicode codepoint to title-case.
*
@@ -868,7 +874,10 @@ namespace ucd
* @return The title-case Unicode codepoint for this codepoint, or
* this codepoint if there is no upper-case codepoint.
*/
codepoint_t totitle(codepoint_t c);
inline codepoint_t totitle(codepoint_t c)
{
return ucd_totitle(c);
}
}
#endif