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path: root/intern/utfconv/utfconv.c
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Diffstat (limited to 'intern/utfconv/utfconv.c')
-rw-r--r--intern/utfconv/utfconv.c273
1 files changed, 150 insertions, 123 deletions
diff --git a/intern/utfconv/utfconv.c b/intern/utfconv/utfconv.c
index 4686b702626..c5181226f6e 100644
--- a/intern/utfconv/utfconv.c
+++ b/intern/utfconv/utfconv.c
@@ -25,208 +25,235 @@
#include "utfconv.h"
-size_t count_utf_8_from_16(const wchar_t * string16)
+size_t count_utf_8_from_16(const wchar_t *string16)
{
int i;
size_t count = 0;
wchar_t u = 0;
- if(!string16) return 0;
-
- for(i=0;u = string16[i];i++)
- {
- if(u < 0x0080) count+=1; else
- if(u < 0x0800) count+=2; else
- if(u < 0xD800) count+=3; else
- if(u < 0xDC00) {
- i++;
- if((u = string16[i])==0) break;
- if(u >= 0xDC00 && u < 0xE000)count+=4;
- } else
- if(u < 0xE000) /*illigal*/; else
- count+=3;
+ if (!string16) {
+ return 0;
+ }
+
+ for (i = 0; u = string16[i]; i++) {
+ if (u < 0x0080) {
+ count += 1;
+ }
+ else {
+ if (u < 0x0800) {
+ count += 2;
+ }
+ else {
+ if (u < 0xD800) {
+ count += 3;
+ }
+ else {
+ if (u < 0xDC00) {
+ i++;
+ if ((u = string16[i]) == 0) {
+ break;
+ }
+ if (u >= 0xDC00 && u < 0xE000) {
+ count += 4;
+ }
+ }
+ else {
+ if (u < 0xE000) {
+ /*illigal*/;
+ }
+ else {
+ count += 3;
+ }
+ }
+ }
+ }
+ }
}
return ++count;
}
-size_t count_utf_16_from_8(const char * string8)
+size_t count_utf_16_from_8(const char *string8)
{
- size_t count = 0;
- char u;
- char type = 0;
- unsigned int u32 = 0;
-
- if(!string8) return 0;
-
- for(;(u = *string8);string8++)
- {
- if(type==0)
- {
- if((u&0x01<<7) == 0) {count++; u32 = 0; continue;} //1 utf-8 char
- if((u&0x07<<5) == 0xC0) {type=1; u32 = u & 0x1F; continue;} //2 utf-8 char
- if((u&0x0F<<4) == 0xE0) {type=2; u32 = u & 0x0F; continue;} //3 utf-8 char
- if((u&0x1F<<3) == 0xF0) {type=3; u32 = u & 0x07; continue;} //4 utf-8 char
- continue;
- } else
- {
- if((u & 0xC0) == 0x80) {u32=(u32<<6) | (u&0x3F); type--;} else
- {u32 = 0; type = 0;};
+ size_t count = 0;
+ char u;
+ char type = 0;
+ unsigned int u32 = 0;
+
+ if (!string8) return 0;
+
+ for (; (u = *string8); string8++) {
+ if (type == 0) {
+ if ((u & 0x01 << 7) == 0) { count++; u32 = 0; continue; } //1 utf-8 char
+ if ((u & 0x07 << 5) == 0xC0) { type = 1; u32 = u & 0x1F; continue; } //2 utf-8 char
+ if ((u & 0x0F << 4) == 0xE0) { type = 2; u32 = u & 0x0F; continue; } //3 utf-8 char
+ if ((u & 0x1F << 3) == 0xF0) { type = 3; u32 = u & 0x07; continue; } //4 utf-8 char
+ continue;
+ }
+ else {
+ if ((u & 0xC0) == 0x80) {
+ u32 = (u32 << 6) | (u & 0x3F);
+ type--;
}
- if(type==0)
- {
- if((0 < u32 && u32 < 0xD800) || (0xE000 <= u32 && u32 < 0x10000)) count++; else
- if(0x10000 <= u32 && u32 < 0x110000) count+=2;
+ else {
u32 = 0;
+ type = 0;
}
+ }
+ if (type == 0) {
+ if ((0 < u32 && u32 < 0xD800) || (0xE000 <= u32 && u32 < 0x10000)) count++;
+ else if (0x10000 <= u32 && u32 < 0x110000) count += 2;
+ u32 = 0;
}
+ }
return ++count;
}
-
-
-int conv_utf_16_to_8(const wchar_t * in16, char * out8, size_t size8)
+int conv_utf_16_to_8(const wchar_t *in16, char *out8, size_t size8)
{
- char * out8end = out8+size8;
+ char *out8end = out8 + size8;
wchar_t u = 0;
int err = 0;
- if(!size8 || !in16 || !out8) return UTF_ERROR_NULL_IN;
+ if (!size8 || !in16 || !out8) return UTF_ERROR_NULL_IN;
out8end--;
- for(; out8 < out8end && (u=*in16); in16++, out8++)
- {
- if(u < 0x0080) *out8 = u; else
- if(u < 0x0800) {
- if(out8 + 1 >= out8end) break;
- *out8++=(0x3<<6) | (0x1F & (u>>6));
- *out8 =(0x1<<7) | (0x3F & (u));
- }else
- if(u < 0xD800 || u >= 0xE000) {
- if(out8 + 2 >= out8end) break;
- *out8++=(0x7<<5) | (0xF & (u>>12));
- *out8++=(0x1<<7) | (0x3F & (u>>6));;
- *out8 =(0x1<<7) | (0x3F & (u));
- }else
- if(u < 0xDC00) {
+ for (; out8 < out8end && (u = *in16); in16++, out8++) {
+ if (u < 0x0080) {
+ *out8 = u;
+ }
+ else if (u < 0x0800) {
+ if (out8 + 1 >= out8end) break;
+ *out8++ = (0x3 << 6) | (0x1F & (u >> 6));
+ *out8 = (0x1 << 7) | (0x3F & (u));
+ }
+ else if (u < 0xD800 || u >= 0xE000) {
+ if (out8 + 2 >= out8end) break;
+ *out8++ = (0x7 << 5) | (0xF & (u >> 12));
+ *out8++ = (0x1 << 7) | (0x3F & (u >> 6));;
+ *out8 = (0x1 << 7) | (0x3F & (u));
+ }
+ else if (u < 0xDC00) {
wchar_t u2 = *++in16;
- if(!u2) break;
- if(u2 >= 0xDC00 && u2 < 0xE000)
- {
- if(out8 + 3 >= out8end) break; else {
- unsigned int uc = 0x10000 + (u2 - 0xDC00) + ((u - 0xD800)<<10);
+ if (!u2) break;
+ if (u2 >= 0xDC00 && u2 < 0xE000) {
+ if (out8 + 3 >= out8end) break; else {
+ unsigned int uc = 0x10000 + (u2 - 0xDC00) + ((u - 0xD800) << 10);
- *out8++=(0xF<<4) | (0x7 & (uc>>18));
- *out8++=(0x1<<7) | (0x3F & (uc>>12));
- *out8++=(0x1<<7) | (0x3F & (uc>>6));
- *out8 =(0x1<<7) | (0x3F & (uc));
+ *out8++ = (0xF << 4) | (0x7 & (uc >> 18));
+ *out8++ = (0x1 << 7) | (0x3F & (uc >> 12));
+ *out8++ = (0x1 << 7) | (0x3F & (uc >> 6));
+ *out8 = (0x1 << 7) | (0x3F & (uc));
}
- } else {out8--; err|=UTF_ERROR_ILLCHAR;};
- } else
- if(u < 0xE000) {out8--; err|=UTF_ERROR_ILLCHAR;}
-
-
+ }
+ else {
+ out8--; err |= UTF_ERROR_ILLCHAR;
+ }
+ }
+ else if (u < 0xE000) {
+ out8--; err |= UTF_ERROR_ILLCHAR;
+ }
}
- *out8=*out8end=0;
+ *out8 = *out8end = 0;
- if(*in16) err|=UTF_ERROR_SMALL;
+ if (*in16) err |= UTF_ERROR_SMALL;
return err;
}
-int conv_utf_8_to_16(const char * in8, wchar_t * out16, size_t size16)
+int conv_utf_8_to_16(const char *in8, wchar_t *out16, size_t size16)
{
char u;
char type = 0;
wchar_t u32 = 0;
- wchar_t * out16end = out16+size16;
+ wchar_t *out16end = out16 + size16;
int err = 0;
- if(!size16 || !in8 || !out16) return UTF_ERROR_NULL_IN;
+ if (!size16 || !in8 || !out16) return UTF_ERROR_NULL_IN;
out16end--;
- for(;out16<out16end && (u = *in8);in8++)
- {
- if(type==0)
- {
- if((u&0x01<<7) == 0) {*out16=u; out16++; u32 = 0; continue;} //1 utf-8 char
- if((u&0x07<<5) == 0xC0) {type=1; u32 = u & 0x1F; continue;} //2 utf-8 char
- if((u&0x0F<<4) == 0xE0) {type=2; u32 = u & 0x0F; continue;} //3 utf-8 char
- if((u&0x1F<<3) == 0xF0) {type=3; u32 = u & 0x07; continue;} //4 utf-8 char
- err|=UTF_ERROR_ILLCHAR; continue;
- } else
- {
- if((u & 0xC0) == 0x80) {u32=(u32<<6) | (u&0x3F); type--;} else
- {u32 = 0; type = 0; err|=UTF_ERROR_ILLSEQ;};
+ for (; out16 < out16end && (u = *in8); in8++) {
+ if (type == 0) {
+ if ((u & 0x01 << 7) == 0) { *out16 = u; out16++; u32 = 0; continue; } //1 utf-8 char
+ if ((u & 0x07 << 5) == 0xC0) { type = 1; u32 = u & 0x1F; continue; } //2 utf-8 char
+ if ((u & 0x0F << 4) == 0xE0) { type = 2; u32 = u & 0x0F; continue; } //3 utf-8 char
+ if ((u & 0x1F << 3) == 0xF0) { type = 3; u32 = u & 0x07; continue; } //4 utf-8 char
+ err |= UTF_ERROR_ILLCHAR;
+ continue;
}
- if(type==0)
- {
- if((0 < u32 && u32 < 0xD800) || (0xE000 <= u32 && u32 < 0x10000)) {*out16=u32; out16++;}else
- if(0x10000 <= u32 && u32 < 0x110000) {
- if(out16 + 1 >= out16end) break;
- u32-=0x10000;
+ else {
+ if ((u & 0xC0) == 0x80) {
+ u32 = (u32 << 6) | (u & 0x3F);
+ type--;
+ }
+ else {
+ u32 = 0; type = 0; err |= UTF_ERROR_ILLSEQ;
+ }
+ }
+ if (type == 0) {
+ if ((0 < u32 && u32 < 0xD800) || (0xE000 <= u32 && u32 < 0x10000)) {
+ *out16 = u32;
+ out16++;
+ }
+ else if (0x10000 <= u32 && u32 < 0x110000) {
+ if (out16 + 1 >= out16end) break;
+ u32 -= 0x10000;
*out16 = 0xD800 + (u32 >> 10);
out16++;
*out16 = 0xDC00 + (u32 & 0x3FF);
out16++;
- };
+ }
u32 = 0;
}
}
- *out16=*out16end=0;
+ *out16 = *out16end = 0;
- if(*in8) err|=UTF_ERROR_SMALL;
+ if (*in8) err |= UTF_ERROR_SMALL;
return err;
}
-int is_ascii(const char * in8)
+int is_ascii(const char *in8)
{
- for(in8; *in8; in8++)
- if(0x80 & *in8) return 0;
+ for (; *in8; in8++)
+ if (0x80 & *in8) return 0;
return 1;
}
-void utf_8_cut_end(char * inout8, size_t maxcutpoint)
+void utf_8_cut_end(char *inout8, size_t maxcutpoint)
{
- const char * start = inout8;
- char * cur = inout8 + maxcutpoint;
+ char *cur = inout8 + maxcutpoint;
char cc;
- if(!inout8) return;
+ if (!inout8) return;
cc = *cur;
-
-
-
-
}
-char * alloc_utf_8_from_16(const wchar_t * in16, size_t add)
+char *alloc_utf_8_from_16(const wchar_t *in16, size_t add)
{
size_t bsize = count_utf_8_from_16(in16);
- char * out8 = NULL;
- if(!bsize) return NULL;
- out8 = (char*)malloc(sizeof(char) * (bsize + add));
- conv_utf_16_to_8(in16,out8, bsize);
+ char *out8 = NULL;
+ if (!bsize) return NULL;
+ out8 = (char *)malloc(sizeof(char) * (bsize + add));
+ conv_utf_16_to_8(in16, out8, bsize);
return out8;
}
-wchar_t * alloc_utf16_from_8(const char * in8, size_t add)
+wchar_t *alloc_utf16_from_8(const char *in8, size_t add)
{
size_t bsize = count_utf_16_from_8(in8);
- wchar_t * out16 = NULL;
- if(!bsize) return NULL;
- out16 =(wchar_t*) malloc(sizeof(wchar_t) * (bsize + add));
- conv_utf_8_to_16(in8,out16, bsize);
+ wchar_t *out16 = NULL;
+ if (!bsize) return NULL;
+ out16 = (wchar_t *) malloc(sizeof(wchar_t) * (bsize + add));
+ conv_utf_8_to_16(in8, out16, bsize);
return out16;
}
-
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