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Add upper case extensions, use binary search

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2183 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-06-02 11:01:23 +00:00
parent 1e4af7b04e
commit 4525b13eb2
2 changed files with 52 additions and 32 deletions
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78
src/common/filetype.c
View file

@ -33,6 +33,7 @@
#include <stdlib.h>
#include <string.h>
/* common */
@ -47,26 +48,45 @@
/* Table that maps extensions to file types */
static const struct {
/* Table that maps extensions to file types. Sorted alphabetically. */
typedef struct {
const char Ext[4];
unsigned Type;
} FileTypes [] = {
{ "c", FILETYPE_C },
{ "s", FILETYPE_ASM },
{ "asm", FILETYPE_ASM },
{ "a65", FILETYPE_ASM },
{ "o", FILETYPE_OBJ },
{ "obj", FILETYPE_OBJ },
FILETYPE Type;
} FileType;
static const FileType TypeTable[] = {
/* Upper case stuff for obsolete operating systems */
{ "A", FILETYPE_LIB },
{ "A65", FILETYPE_ASM },
{ "ASM", FILETYPE_ASM },
{ "C", FILETYPE_C },
{ "EMD", FILETYPE_O65 },
{ "GRC", FILETYPE_GR },
{ "JOY", FILETYPE_O65 },
{ "LIB", FILETYPE_LIB },
{ "O", FILETYPE_OBJ },
{ "O65", FILETYPE_O65 },
{ "OBJ", FILETYPE_OBJ },
{ "S", FILETYPE_ASM },
{ "TGI", FILETYPE_O65 },
{ "a", FILETYPE_LIB },
{ "lib", FILETYPE_LIB },
{ "grc", FILETYPE_GR },
{ "o65", FILETYPE_O65 },
{ "a65", FILETYPE_ASM },
{ "asm", FILETYPE_ASM },
{ "c", FILETYPE_C },
{ "emd", FILETYPE_O65 },
{ "grc", FILETYPE_GR },
{ "joy", FILETYPE_O65 },
{ "lib", FILETYPE_LIB },
{ "o", FILETYPE_OBJ },
{ "o65", FILETYPE_O65 },
{ "obj", FILETYPE_OBJ },
{ "s", FILETYPE_ASM },
{ "tgi", FILETYPE_O65 },
};
#define FILETYPE_COUNT (sizeof (TypeTable) / sizeof (TypeTable[0]))
/*****************************************************************************/
@ -75,34 +95,34 @@ static const struct {
int GetFileType (const char* Name)
static int Compare (const void* Key, const void* Type)
/* Compare function for bsearch */
{
return strcmp (Key, ((const FileType*) Type)->Ext);
}
FILETYPE GetFileType (const char* Name)
/* Determine the type of the given file by looking at the name. If the file
* type could not be determined, the function returns FILETYPE_UNKOWN.
*/
{
unsigned I;
const FileType* FT;
/* Determine the file type by the extension */
const char* Ext = FindExt (Name);
/* Do we have an extension? */
if (Ext == 0) {
return FILETYPE_UNKNOWN;
}
/* Skip the dot */
++Ext;
return FILETYPE_UNKNOWN;
}
/* Check for known extensions */
for (I = 0; I < sizeof (FileTypes) / sizeof (FileTypes [0]); ++I) {
if (strcmp (FileTypes [I].Ext, Ext) == 0) {
/* Found */
return FileTypes [I].Type;
}
}
/* Search for a table entry */
FT = bsearch (Ext+1, TypeTable, FILETYPE_COUNT, sizeof (FileType), Compare);
/* Not found, return the default */
return FILETYPE_UNKNOWN;
/* Return the result */
return FT? FT->Type : FILETYPE_UNKNOWN;
}

6
src/common/filetype.h
View file

@ -45,7 +45,7 @@
/* File types */
enum {
typedef enum {
FILETYPE_UNKNOWN = -1, /* Unknown file type */
FILETYPE_C, /* C source file */
FILETYPE_ASM, /* Assembler file */
@ -53,7 +53,7 @@ enum {
FILETYPE_LIB, /* Library file */
FILETYPE_GR, /* GEOS resource file */
FILETYPE_O65 /* O65 object file */
};
} FILETYPE;
@ -63,7 +63,7 @@ enum {
int GetFileType (const char* Name);
FILETYPE GetFileType (const char* Name);
/* Determine the type of the given file by looking at the name. If the file
* type could not be determined, the function returns FILETYPE_UNKOWN.
*/