Mike McCormack : wininet: Use a lookup table sorted by index so we don' t need a loop to do lookups.
Module: wine Branch: refs/heads/master Commit: 7f5e273214bb4d75824efc7133b366b4703450a6 URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=7f5e273214bb4d75824efc71... Author: Mike McCormack <mike(a)codeweavers.com> Date: Thu Mar 30 18:02:54 2006 +0900 wininet: Use a lookup table sorted by index so we don't need a loop to do lookups. --- dlls/wininet/http.c | 156 ++++++++++++++++++++++++++------------------------- 1 files changed, 79 insertions(+), 77 deletions(-) diff --git a/dlls/wininet/http.c b/dlls/wininet/http.c index 70dfc38..1e32e4c 100644 --- a/dlls/wininet/http.c +++ b/dlls/wininet/http.c @@ -1163,12 +1163,6 @@ lend: return handle; } -typedef struct std_hdr_data -{ - const WCHAR* hdrStr; - INT hdrIndex; -} std_hdr_data; - static const WCHAR szAccept[] = { 'A','c','c','e','p','t',0 }; static const WCHAR szAccept_Charset[] = { 'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0 }; static const WCHAR szAccept_Encoding[] = { 'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0 }; @@ -1223,65 +1217,82 @@ static const WCHAR szVia[] = { 'V','i',' static const WCHAR szWarning[] = { 'W','a','r','n','i','n','g',0 }; static const WCHAR szWWW_Authenticate[] = { 'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0 }; -static const std_hdr_data SORTED_STANDARD_HEADERS[] = { - {szAccept, HTTP_QUERY_ACCEPT,}, - {szAccept_Charset, HTTP_QUERY_ACCEPT_CHARSET,}, - {szAccept_Encoding, HTTP_QUERY_ACCEPT_ENCODING,}, - {szAccept_Language, HTTP_QUERY_ACCEPT_LANGUAGE,}, - {szAccept_Ranges, HTTP_QUERY_ACCEPT_RANGES,}, - {szAge, HTTP_QUERY_AGE,}, - {szAllow, HTTP_QUERY_ALLOW,}, - {szAuthorization, HTTP_QUERY_AUTHORIZATION,}, - {szCache_Control, HTTP_QUERY_CACHE_CONTROL,}, - {szConnection, HTTP_QUERY_CONNECTION,}, - {szContent_Base, HTTP_QUERY_CONTENT_BASE,}, - {szContent_Encoding, HTTP_QUERY_CONTENT_ENCODING,}, - {szContent_ID, HTTP_QUERY_CONTENT_ID,}, - {szContent_Language, HTTP_QUERY_CONTENT_LANGUAGE,}, - {szContent_Length, HTTP_QUERY_CONTENT_LENGTH,}, - {szContent_Location, HTTP_QUERY_CONTENT_LOCATION,}, - {szContent_MD5, HTTP_QUERY_CONTENT_MD5,}, - {szContent_Range, HTTP_QUERY_CONTENT_RANGE,}, - {szContent_Transfer_Encoding,HTTP_QUERY_CONTENT_TRANSFER_ENCODING,}, - {szContent_Type, HTTP_QUERY_CONTENT_TYPE,}, - {szCookie, HTTP_QUERY_COOKIE,}, - {szDate, HTTP_QUERY_DATE,}, - {szETag, HTTP_QUERY_ETAG,}, - {szExpect, HTTP_QUERY_EXPECT,}, - {szExpires, HTTP_QUERY_EXPIRES,}, - {szFrom, HTTP_QUERY_DERIVED_FROM,}, - {szHost, HTTP_QUERY_HOST,}, - {szIf_Match, HTTP_QUERY_IF_MATCH,}, - {szIf_Modified_Since, HTTP_QUERY_IF_MODIFIED_SINCE,}, - {szIf_None_Match, HTTP_QUERY_IF_NONE_MATCH,}, - {szIf_Range, HTTP_QUERY_IF_RANGE,}, - {szIf_Unmodified_Since, HTTP_QUERY_IF_UNMODIFIED_SINCE,}, - {szLast_Modified, HTTP_QUERY_LAST_MODIFIED,}, - {szLocation, HTTP_QUERY_LOCATION,}, - {szMax_Forwards, HTTP_QUERY_MAX_FORWARDS,}, - {szMime_Version, HTTP_QUERY_MIME_VERSION,}, - {szPragma, HTTP_QUERY_PRAGMA,}, - {szProxy_Authenticate, HTTP_QUERY_PROXY_AUTHENTICATE,}, - {szProxy_Authorization, HTTP_QUERY_PROXY_AUTHORIZATION,}, - {szProxy_Connection, HTTP_QUERY_PROXY_CONNECTION,}, - {szPublic, HTTP_QUERY_PUBLIC,}, - {szRange, HTTP_QUERY_RANGE,}, - {szReferer, HTTP_QUERY_REFERER,}, - {szRetry_After, HTTP_QUERY_RETRY_AFTER,}, - {szServer, HTTP_QUERY_SERVER,}, - {szSet_Cookie, HTTP_QUERY_SET_COOKIE,}, - {szStatus, HTTP_QUERY_STATUS_CODE,}, - {szTransfer_Encoding, HTTP_QUERY_TRANSFER_ENCODING,}, - {szUnless_Modified_Since, HTTP_QUERY_UNLESS_MODIFIED_SINCE,}, - {szUpgrade, HTTP_QUERY_UPGRADE,}, - {szURI, HTTP_QUERY_URI,}, - {szUser_Agent, HTTP_QUERY_USER_AGENT,}, - {szVary, HTTP_QUERY_VARY,}, - {szVia, HTTP_QUERY_VIA,}, - {szWarning, HTTP_QUERY_WARNING,}, - {szWWW_Authenticate, HTTP_QUERY_WWW_AUTHENTICATE,}, +static const LPCWSTR header_lookup[] = { + szMime_Version, /* HTTP_QUERY_MIME_VERSION = 0 */ + szContent_Type, /* HTTP_QUERY_CONTENT_TYPE = 1 */ + szContent_Transfer_Encoding,/* HTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */ + szContent_ID, /* HTTP_QUERY_CONTENT_ID = 3 */ + NULL, /* HTTP_QUERY_CONTENT_DESCRIPTION = 4 */ + szContent_Length, /* HTTP_QUERY_CONTENT_LENGTH = 5 */ + szContent_Language, /* HTTP_QUERY_CONTENT_LANGUAGE = 6 */ + szAllow, /* HTTP_QUERY_ALLOW = 7 */ + szPublic, /* HTTP_QUERY_PUBLIC = 8 */ + szDate, /* HTTP_QUERY_DATE = 9 */ + szExpires, /* HTTP_QUERY_EXPIRES = 10 */ + szLast_Modified, /* HTTP_QUERY_LAST_MODIFIED = 11 */ + NULL, /* HTTP_QUERY_MESSAGE_ID = 12 */ + szURI, /* HTTP_QUERY_URI = 13 */ + szFrom, /* HTTP_QUERY_DERIVED_FROM = 14 */ + NULL, /* HTTP_QUERY_COST = 15 */ + NULL, /* HTTP_QUERY_LINK = 16 */ + szPragma, /* HTTP_QUERY_PRAGMA = 17 */ + NULL, /* HTTP_QUERY_VERSION = 18 */ + szStatus, /* HTTP_QUERY_STATUS_CODE = 19 */ + NULL, /* HTTP_QUERY_STATUS_TEXT = 20 */ + NULL, /* HTTP_QUERY_RAW_HEADERS = 21 */ + NULL, /* HTTP_QUERY_RAW_HEADERS_CRLF = 22 */ + szConnection, /* HTTP_QUERY_CONNECTION = 23 */ + szAccept, /* HTTP_QUERY_ACCEPT = 24 */ + szAccept_Charset, /* HTTP_QUERY_ACCEPT_CHARSET = 25 */ + szAccept_Encoding, /* HTTP_QUERY_ACCEPT_ENCODING = 26 */ + szAccept_Language, /* HTTP_QUERY_ACCEPT_LANGUAGE = 27 */ + szAuthorization, /* HTTP_QUERY_AUTHORIZATION = 28 */ + szContent_Encoding, /* HTTP_QUERY_CONTENT_ENCODING = 29 */ + NULL, /* HTTP_QUERY_FORWARDED = 30 */ + NULL, /* HTTP_QUERY_FROM = 31 */ + szIf_Modified_Since, /* HTTP_QUERY_IF_MODIFIED_SINCE = 32 */ + szLocation, /* HTTP_QUERY_LOCATION = 33 */ + NULL, /* HTTP_QUERY_ORIG_URI = 34 */ + szReferer, /* HTTP_QUERY_REFERER = 35 */ + szRetry_After, /* HTTP_QUERY_RETRY_AFTER = 36 */ + szServer, /* HTTP_QUERY_SERVER = 37 */ + NULL, /* HTTP_TITLE = 38 */ + szUser_Agent, /* HTTP_QUERY_USER_AGENT = 39 */ + szWWW_Authenticate, /* HTTP_QUERY_WWW_AUTHENTICATE = 40 */ + szProxy_Authenticate, /* HTTP_QUERY_PROXY_AUTHENTICATE = 41 */ + szAccept_Ranges, /* HTTP_QUERY_ACCEPT_RANGES = 42 */ + szSet_Cookie, /* HTTP_QUERY_SET_COOKIE = 43 */ + szCookie, /* HTTP_QUERY_COOKIE = 44 */ + NULL, /* HTTP_QUERY_REQUEST_METHOD = 45 */ + NULL, /* HTTP_QUERY_REFRESH = 46 */ + NULL, /* HTTP_QUERY_CONTENT_DISPOSITION = 47 */ + szAge, /* HTTP_QUERY_AGE = 48 */ + szCache_Control, /* HTTP_QUERY_CACHE_CONTROL = 49 */ + szContent_Base, /* HTTP_QUERY_CONTENT_BASE = 50 */ + szContent_Location, /* HTTP_QUERY_CONTENT_LOCATION = 51 */ + szContent_MD5, /* HTTP_QUERY_CONTENT_MD5 = 52 */ + szContent_Range, /* HTTP_QUERY_CONTENT_RANGE = 53 */ + szETag, /* HTTP_QUERY_ETAG = 54 */ + szHost, /* HTTP_QUERY_HOST = 55 */ + szIf_Match, /* HTTP_QUERY_IF_MATCH = 56 */ + szIf_None_Match, /* HTTP_QUERY_IF_NONE_MATCH = 57 */ + szIf_Range, /* HTTP_QUERY_IF_RANGE = 58 */ + szIf_Unmodified_Since, /* HTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */ + szMax_Forwards, /* HTTP_QUERY_MAX_FORWARDS = 60 */ + szProxy_Authorization, /* HTTP_QUERY_PROXY_AUTHORIZATION = 61 */ + szRange, /* HTTP_QUERY_RANGE = 62 */ + szTransfer_Encoding, /* HTTP_QUERY_TRANSFER_ENCODING = 63 */ + szUpgrade, /* HTTP_QUERY_UPGRADE = 64 */ + szVary, /* HTTP_QUERY_VARY = 65 */ + szVia, /* HTTP_QUERY_VIA = 66 */ + szWarning, /* HTTP_QUERY_WARNING = 67 */ + szExpect, /* HTTP_QUERY_EXPECT = 68 */ + szProxy_Connection, /* HTTP_QUERY_PROXY_CONNECTION = 69 */ + szUnless_Modified_Since, /* HTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */ }; +#define LAST_TABLE_HEADER (sizeof(header_lookup)/sizeof(header_lookup[0])) + /*********************************************************************** * HTTP_HttpQueryInfoW (internal) */ @@ -1384,20 +1395,11 @@ static BOOL WINAPI HTTP_HttpQueryInfoW( return TRUE; } default: - if (level >= 0 && level <= HTTP_QUERY_MAX ) - { - int i; - for (i = 0; i < sizeof(SORTED_STANDARD_HEADERS)/sizeof(std_hdr_data) ; i++) - { - if (SORTED_STANDARD_HEADERS[i].hdrIndex == level) - { - index = HTTP_GetCustomHeaderIndex(lpwhr, - (LPWSTR)SORTED_STANDARD_HEADERS[i].hdrStr, - requested_index,request_only); - break; - } - } - } + assert (LAST_TABLE_HEADER == (HTTP_QUERY_UNLESS_MODIFIED_SINCE + 1)); + + if (level >= 0 && level < LAST_TABLE_HEADER && header_lookup[level]) + index = HTTP_GetCustomHeaderIndex(lpwhr, header_lookup[level], + requested_index,request_only); } if (index >= 0)
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Alexandre Julliard