Module: wine Branch: master Commit: 04ad71ee05a76507906b5e4f064bf9e0d2b0bb62 URL: http://source.winehq.org/git/wine.git/?a=commit;h=04ad71ee05a76507906b5e4f06...
Author: Piotr Caban piotr@codeweavers.com Date: Mon Apr 30 17:27:46 2012 +0200
kernel32: Added IdnToAscii implementation.
---
dlls/kernel32/locale.c | 154 +++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 151 insertions(+), 3 deletions(-)
diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c index e546000..73eebd4 100644 --- a/dlls/kernel32/locale.c +++ b/dlls/kernel32/locale.c @@ -3881,16 +3881,164 @@ BOOL WINAPI IsNormalizedString(NORM_FORM NormForm, LPCWSTR lpString, INT cwLengt return FALSE; }
+enum { + BASE = 36, + TMIN = 1, + TMAX = 26, + SKEW = 38, + DAMP = 700, + INIT_BIAS = 72, + INIT_N = 128 +}; + +static inline INT adapt(INT delta, INT numpoints, BOOL firsttime) +{ + INT k; + + delta /= (firsttime ? DAMP : 2); + delta += delta/numpoints; + + for(k=0; delta>((BASE-TMIN)*TMAX)/2; k+=BASE) + delta /= BASE-TMIN; + return k+((BASE-TMIN+1)*delta)/(delta+SKEW); +} + /****************************************************************************** * IdnToAscii (KERNEL32.@) + * Implementation of Punycode based on RFC 3492. */ INT WINAPI IdnToAscii(DWORD dwFlags, LPCWSTR lpUnicodeCharStr, INT cchUnicodeChar, LPWSTR lpASCIICharStr, INT cchASCIIChar) { - FIXME("%x %p %d %p %d\n", dwFlags, lpUnicodeCharStr, cchUnicodeChar, + static const WCHAR prefixW[] = {'x','n','-','-'}; + + WCHAR *norm_str; + INT i, label_start, label_end, norm_len, out_label, out = 0; + + TRACE("%x %p %d %p %d\n", dwFlags, lpUnicodeCharStr, cchUnicodeChar, lpASCIICharStr, cchASCIIChar); - SetLastError(ERROR_CALL_NOT_IMPLEMENTED); - return 0; + + norm_len = IdnToNameprepUnicode(dwFlags, lpUnicodeCharStr, cchUnicodeChar, NULL, 0); + if(!norm_len) + return 0; + norm_str = HeapAlloc(GetProcessHeap(), 0, norm_len*sizeof(WCHAR)); + if(!norm_str) { + SetLastError(ERROR_NOT_ENOUGH_MEMORY); + return 0; + } + norm_len = IdnToNameprepUnicode(dwFlags, lpUnicodeCharStr, + cchUnicodeChar, norm_str, norm_len); + if(!norm_len) { + HeapFree(GetProcessHeap(), 0, norm_str); + return 0; + } + + for(label_start=0; label_start<norm_len;) { + INT n = INIT_N, bias = INIT_BIAS; + INT delta = 0, b = 0, h; + + out_label = out; + for(i=label_start; i<norm_len && norm_str[i]!='.' && norm_str[i]!='\0'; i++) + if(norm_str[i] < 0x80) + b++; + label_end = i; + + if(b == label_end-label_start) { + if(label_end < norm_len) + b++; + if(!lpASCIICharStr) { + out += b; + }else if(out+b <= cchASCIIChar) { + memcpy(lpASCIICharStr+out, norm_str+label_start, b*sizeof(WCHAR)); + out += b; + }else { + HeapFree(GetProcessHeap(), 0, norm_str); + SetLastError(ERROR_INSUFFICIENT_BUFFER); + return 0; + } + label_start = label_end+1; + continue; + } + + if(!lpASCIICharStr) { + out += 5+b; /* strlen(xn--...-) */ + }else if(out+5+b <= cchASCIIChar) { + memcpy(lpASCIICharStr+out, prefixW, sizeof(prefixW)); + out += 4; + for(i=label_start; i<label_end; i++) + if(norm_str[i] < 0x80) + lpASCIICharStr[out++] = norm_str[i]; + lpASCIICharStr[out++] = '-'; + }else { + HeapFree(GetProcessHeap(), 0, norm_str); + SetLastError(ERROR_INSUFFICIENT_BUFFER); + return 0; + } + if(!b) + out--; + + for(h=b; h<label_end-label_start;) { + INT m = 0xffff, q, k; + + for(i=label_start; i<label_end; i++) { + if(norm_str[i]>=n && m>norm_str[i]) + m = norm_str[i]; + } + delta += (m-n)*(h+1); + n = m; + + for(i=label_start; i<label_end; i++) { + if(norm_str[i] < n) { + delta++; + }else if(norm_str[i] == n) { + for(q=delta, k=BASE; ; k+=BASE) { + INT t = k<=bias ? TMIN : k>=bias+TMAX ? TMAX : k-bias; + INT disp = q<t ? q : t+(q-t)%(BASE-t); + if(!lpASCIICharStr) { + out++; + }else if(out+1 <= cchASCIIChar) { + lpASCIICharStr[out++] = disp<='z'-'a' ? + 'a'+disp : '0'+disp-'z'+'a'-1; + }else { + HeapFree(GetProcessHeap(), 0, norm_str); + SetLastError(ERROR_INSUFFICIENT_BUFFER); + return 0; + } + if(q < t) + break; + q = (q-t)/(BASE-t); + } + bias = adapt(delta, h+1, h==b); + delta = 0; + h++; + } + } + delta++; + n++; + } + + if(out-out_label > 63) { + HeapFree(GetProcessHeap(), 0, norm_str); + SetLastError(ERROR_INVALID_NAME); + return 0; + } + + if(label_end < norm_len) { + if(!lpASCIICharStr) { + out++; + }else if(out+1 <= cchASCIIChar) { + lpASCIICharStr[out++] = norm_str[label_end]; + }else { + HeapFree(GetProcessHeap(), 0, norm_str); + SetLastError(ERROR_INSUFFICIENT_BUFFER); + return 0; + } + } + label_start = label_end+1; + } + + HeapFree(GetProcessHeap(), 0, norm_str); + return out; }
/******************************************************************************
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Alexandre Julliard