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Splitted the filetype module into the actual search function (now in fileid)

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and the existing file types used by ld65 and cl65.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5558 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2012-02-27 16:24:35 +00:00
parent 7a3e6abb13
commit ca624041a9
5 changed files with 164 additions and 30 deletions
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79
src/common/fileid.c Normal file
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@ -0,0 +1,79 @@
/*****************************************************************************/
/* */
/* fileid.c */
/* */
/* Determine the id of a file type by extension */
/* */
/* */
/* */
/* (C) 2003-2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <stdlib.h>
#include <string.h>
/* common */
#include "fileid.h"
#include "fname.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
static int Compare (const void* Key, const void* Id)
/* Compare function for bsearch */
{
return strcmp (Key, ((const FileId*) Id)->Ext);
}
const FileId* GetFileId (const char* Name, const FileId* Table, unsigned Count)
/* Determine the id of the given file by looking at file extension of the name.
* The table passed to the function must be sorted alphabetically. If the
* extension is found, a pointer to the matching table entry is returned. If
* no matching table entry was found, the function returns NULL.
*/
{
/* Determine the file type by the extension */
const char* Ext = FindExt (Name);
/* Do we have an extension? */
if (Ext == 0) {
return 0;
}
/* Search for a table entry and return it */
return bsearch (Ext+1, Table, Count, sizeof (FileId), Compare);
}

77
src/common/fileid.h Normal file
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@ -0,0 +1,77 @@
/*****************************************************************************/
/* */
/* fileid.h */
/* */
/* Determine the id of a file type by extension */
/* */
/* */
/* */
/* (C) 2003-2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef FILEID_H
#define FILEID_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* An entry for a table that maps extensions to some sort of identifier. Such
* a table - sorted alphabetically - is passed to GetFileId.
*/
typedef struct FileId FileId;
struct FileId {
const char Ext[4];
int Id;
};
/*****************************************************************************/
/* Code */
/*****************************************************************************/
const FileId* GetFileId (const char* Name, const FileId* Table, unsigned Count);
/* Determine the id of the given file by looking at file extension of the name.
* The table passed to the function must be sorted alphabetically. If the
* extension is found, a pointer to the matching table entry is returned. If
* no matching table entry was found, the function returns NULL.
*/
/* End of fileid.h */
#endif

36
src/common/filetype.c
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@ -6,8 +6,8 @@
/* */
/* */
/* */
/* (C) 2003-2005, Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* (C) 2003-2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
@ -37,8 +37,8 @@
#include <string.h>
/* common */
#include "fileid.h"
#include "filetype.h"
#include "fname.h"
@ -48,13 +48,7 @@
/* Table that maps extensions to file types. Sorted alphabetically. */
typedef struct {
const char Ext[4];
FILETYPE Type;
} FileType;
static const FileType TypeTable[] = {
static const FileId TypeTable[] = {
/* Upper case stuff for obsolete operating systems */
{ "A", FILETYPE_LIB },
{ "A65", FILETYPE_ASM },
@ -99,34 +93,16 @@ static const FileType TypeTable[] = {
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.
*/
{
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;
}
/* Search for a table entry */
FT = bsearch (Ext+1, TypeTable, FILETYPE_COUNT, sizeof (FileType), Compare);
const FileId* F = GetFileId (Name, TypeTable, FILETYPE_COUNT);
/* Return the result */
return FT? FT->Type : FILETYPE_UNKNOWN;
return F? F->Id : FILETYPE_UNKNOWN;
}

1
src/common/make/gcc.mak
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@ -25,6 +25,7 @@ OBJS = abend.o \
cpu.o \
debugflag.o \
exprdefs.o \
fileid.o \
filepos.o \
filetype.o \
fname.o \

1
src/common/make/watcom.mak
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@ -67,6 +67,7 @@ OBJS = abend.obj \
cpu.obj \
debugflag.obj \
exprdefs.obj \
fileid.obj \
filepos.obj \
filetype.obj \
fname.obj \