mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
synced 2024-02-24 04:33:31 +00:00
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "strmap.h"
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hqStrMap* create_instance( int extrabytes, int dup )
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{
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hqStrMap* strmap = calloc( 1, sizeof(hqStrMap) );
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strmap->FDoDuplicate = dup;
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strmap->FExtraLen = extrabytes;
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strmap->FRecordLen = sizeof(char*) + sizeof(int) + extrabytes;
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strmap->FList = NULL;
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return strmap;
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}
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hqStrMap* Strmap_Create( int extrabytes, int dup )
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{
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return create_instance( extrabytes, dup );
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}
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void Strmap_FillFromChain( hqStrMap* strmap, char *strchain, void *data )
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{
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while ( *strchain ) {
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size_t len = strlen( strchain );
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StrMap_AddStrLen( strmap, strchain, len, data );
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strchain += len+1;
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data = (char*)data + strmap->FExtraLen;
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}
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}
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hqStrMap* Strmap_CreateFromChain( int extrabytes, char *strchain, void *data )
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{
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hqStrMap* strmap = create_instance( extrabytes, 0 );
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Strmap_FillFromChain( strmap, strchain, data );
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StrMap_ShrinkMem( strmap );
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return strmap;
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}
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void StrMap_Destroy( hqStrMap* strmap )
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{
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if ( strmap->FDoDuplicate )
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StrMap_TrimClear( strmap, 0 );
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if ( strmap->FList )
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free( strmap->FList );
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free(strmap);
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}
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void StrMap_AddString( hqStrMap* strmap, const char *str, void *data )
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{
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StrMap_AddStrLen( strmap, str, strlen(str), data );
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}
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void StrMap_AddStrLen( hqStrMap* strmap, const char *str, size_t len, void *data )
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{
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const char *Rec;
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if ( strmap->FCount >= strmap->FCapacity ) {
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int delta = (strmap->FCapacity > 64) ? strmap->FCapacity / 4 : 16;
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StrMap_SetCapacity( strmap, strmap->FCapacity + delta );
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}
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Rec = strmap->FList + strmap->FCount * strmap->FRecordLen;
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*(const char**)Rec = str;
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*(int*)(Rec + sizeof(char*)) = len;
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if (data) {
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void *recdata = (void*)(Rec + sizeof(char*) + sizeof(int));
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memcpy( recdata, data, strmap->FExtraLen );
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}
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++ strmap->FCount;
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}
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void StrMap_ShrinkMem( hqStrMap* strmap )
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{
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StrMap_SetCapacity( strmap, strmap->FCount );
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}
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void StrMap_Trim( hqStrMap* strmap, int NewCount )
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{
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strmap->FCount = NewCount;
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}
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void StrMap_TrimClear( hqStrMap* strmap, int NewCount )
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{
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int i;
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char *Rec = strmap->FList + NewCount * strmap->FRecordLen;
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for (i=NewCount; i < strmap->FCount; i++) {
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free( *(char**)Rec );
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Rec += strmap->FRecordLen;
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}
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strmap->FCount = NewCount;
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}
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void StrMap_SetCapacity( hqStrMap* strmap, int NewCapacity )
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{
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strmap->FCapacity = NewCapacity;
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if ( strmap->FCount > strmap->FCapacity )
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strmap->FCount = strmap->FCapacity;
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strmap->FList = (char*) realloc( strmap->FList,
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strmap->FCapacity * strmap->FRecordLen );
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}
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int StrMap_IndexOf( hqStrMap* strmap, const char *str, void **data )
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{
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return StrMap_LenIndexOf( strmap, str, strlen(str), data );
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}
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int StrMap_LenIndexOf( hqStrMap* strmap, const char *str, size_t len, void **data )
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{
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int i;
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char *Rec = strmap->FList;
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for (i=0; i<strmap->FCount; i++) {
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int recLen = *(int*)(Rec + sizeof(char*));
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if (recLen==len && strnicmp( str, *(char**)Rec, recLen )==0 ) {
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*data = (Rec + sizeof(char*) + sizeof(int));
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return i;
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}
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Rec += strmap->FRecordLen;
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}
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*data = NULL;
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return -1;
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}
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char* StrMap_GetString( hqStrMap* strmap, int index, int *len, void **data )
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{
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char *Rec = strmap->FList + index * strmap->FRecordLen;
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*len = *(int*)(Rec + sizeof(char*));
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if (data!=NULL && strmap->FExtraLen>0)
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*data = (Rec + sizeof(char*) + sizeof(int));
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return *(char**)Rec;
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}
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