114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
#include "nxpath.h"
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#include <shlwapi.h>
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#include "foundation/error.h"
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static const wchar_t *FindExtension(nx_uri_t filename)
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{
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size_t position;
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if (!filename || !filename->string || !filename->len)
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return 0;
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position=filename->len;
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while (position--)
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{
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wchar_t c = filename->string[position];
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if (c == '.')
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return &filename->string[position+1];
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if (c == '/' || c == '\\')
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return 0;
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}
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return 0;
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}
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static const wchar_t *FindFilename(nx_uri_t filename)
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{
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size_t position;
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if (!filename || !filename->string || !filename->len)
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return 0;
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position=filename->len;
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while (position--)
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{
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wchar_t c = filename->string[position];
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if (c == '/' || c == '\\')
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return &filename->string[position+1];
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}
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return 0;
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}
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size_t NXPathMatchExtensionList(nx_uri_t filename, nx_string_t *extension_list, size_t num_extensions)
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{
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const wchar_t *ext = FindExtension(filename);
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if (ext && *ext)
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{
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size_t i;
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for (i=0;i<num_extensions;i++)
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{
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#if WINVER >= 0x0600
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if (CompareStringOrdinal(ext, -1, extension_list[i]->string, -1, TRUE) == CSTR_EQUAL)
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return i;
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#else
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if (CompareString(LOCALE_INVARIANT, NORM_IGNORECASE, ext, -1, extension_list[i]->string, -1) == CSTR_EQUAL)
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return i;
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#endif
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}
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}
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return num_extensions;
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}
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int NXPathMatchExtension(nx_uri_t filename, nx_string_t extension)
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{
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const wchar_t *ext = FindExtension(filename);
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if (ext && *ext)
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{
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#if WINVER >= 0x0600
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if (CompareStringOrdinal(ext, -1, extension->string, -1, TRUE) == CSTR_EQUAL)
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return NErr_Success;
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#else
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if (CompareString(LOCALE_INVARIANT, NORM_IGNORECASE, ext, -1, extension->string, -1) == CSTR_EQUAL)
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return NErr_Success;
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#endif
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}
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return NErr_False;
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}
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int NXPathProtocol(nx_uri_t filename, const char *protocol)
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{
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if (PathIsURL(filename->string))
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{
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wchar_t protocol_from_filename[100];
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DWORD protocol_length=100;
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if (UrlGetPart(filename->string, protocol_from_filename, &protocol_length, URL_PART_SCHEME, 0) == S_OK)
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{
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DWORD i;
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for (i=0;i<protocol_length;i++)
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{
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if ((wchar_t)(protocol[i]) != protocol_from_filename[i])
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return NErr_False;
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}
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return NErr_Success;
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}
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}
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return NErr_False;
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}
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int NXPathIsURL(nx_uri_t filename)
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{
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if (PathIsURL(filename->string))
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return NErr_True;
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else
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return NErr_False;
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}
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int NXPathIsRelative(nx_uri_t filename)
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{
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if (filename->len >= 3 && filename->string[1] == L':' && (filename->string[2] == L'\\' || filename->string[2] == L'/'))
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return NErr_False;
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if (filename->len >= 1 && (filename->string[2] == L'\\' || filename->string[2] == L'/'))
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return NErr_False;
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return NErr_True;
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}
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