ReactOS 0.4.15-dev-5667-ged97270
IdnToUnicode.c File Reference
#include <wine/unicode.h>
#include <debug.h>
Include dependency graph for IdnToUnicode.c:

Go to the source code of this file.

Macros

#define WIN32_NO_STATUS
 
#define NDEBUG
 

Enumerations

enum  {
  BASE = 36 , TMIN = 1 , TMAX = 26 , SKEW = 38 ,
  DAMP = 700 , INIT_BIAS = 72 , INIT_N = 128
}
 

Functions

static INT adapt (INT delta, INT numpoints, BOOL firsttime)
 
static unsigned short get_table_entry (const unsigned short *table, WCHAR ch)
 
INT WINAPI IdnToUnicode (DWORD dwFlags, LPCWSTR lpASCIICharStr, INT cchASCIIChar, LPWSTR lpUnicodeCharStr, INT cchUnicodeChar)
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 5 of file IdnToUnicode.c.

◆ WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 2 of file IdnToUnicode.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
BASE 
TMIN 
TMAX 
SKEW 
DAMP 
INIT_BIAS 
INIT_N 

Definition at line 10 of file IdnToUnicode.c.

10 {
11 BASE = 36,
12 TMIN = 1,
13 TMAX = 26,
14 SKEW = 38,
15 DAMP = 700,
16 INIT_BIAS = 72,
17 INIT_N = 128
18};
@ INIT_N
Definition: IdnToUnicode.c:17
@ DAMP
Definition: IdnToUnicode.c:15
@ SKEW
Definition: IdnToUnicode.c:14
@ BASE
Definition: IdnToUnicode.c:11
@ TMIN
Definition: IdnToUnicode.c:12
@ TMAX
Definition: IdnToUnicode.c:13
@ INIT_BIAS
Definition: IdnToUnicode.c:16

Function Documentation

◆ adapt()

static INT adapt ( INT  delta,
INT  numpoints,
BOOL  firsttime 
)
inlinestatic

Definition at line 20 of file IdnToUnicode.c.

21{
22 INT k;
23
24 delta /= (firsttime ? DAMP : 2);
25 delta += delta/numpoints;
26
27 for(k=0; delta>((BASE-TMIN)*TMAX)/2; k+=BASE)
28 delta /= BASE-TMIN;
29 return k+((BASE-TMIN+1)*delta)/(delta+SKEW);
30}
int k
Definition: mpi.c:3369
int32_t INT
Definition: typedefs.h:58

Referenced by IdnToUnicode().

◆ get_table_entry()

static unsigned short get_table_entry ( const unsigned short table,
WCHAR  ch 
)
inlinestatic

Definition at line 32 of file IdnToUnicode.c.

33{
34 return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)];
35}

Referenced by IdnToUnicode().

◆ IdnToUnicode()

INT WINAPI IdnToUnicode ( DWORD  dwFlags,
LPCWSTR  lpASCIICharStr,
INT  cchASCIIChar,
LPWSTR  lpUnicodeCharStr,
INT  cchUnicodeChar 
)

Definition at line 37 of file IdnToUnicode.c.

39{
40 extern const unsigned short nameprep_char_type[];
41
42 INT i, label_start, label_end, out_label, out = 0;
43 WCHAR ch;
44
45 DPRINT("%x %p %d %p %d\n", dwFlags, lpASCIICharStr, cchASCIIChar,
46 lpUnicodeCharStr, cchUnicodeChar);
47
48 for(label_start=0; label_start<cchASCIIChar;) {
49 INT n = INIT_N, pos = 0, old_pos, w, k, bias = INIT_BIAS, delim=0, digit, t;
50
51 out_label = out;
52 for(i=label_start; i<cchASCIIChar; i++) {
53 ch = lpASCIICharStr[i];
54
55 if(ch>0x7f || (i!=cchASCIIChar-1 && !ch)) {
57 return 0;
58 }
59
60 if(!ch || ch=='.')
61 break;
62 if(ch == '-')
63 delim = i;
64
65 if((dwFlags&IDN_USE_STD3_ASCII_RULES) == 0)
66 continue;
67 if((ch>='a' && ch<='z') || (ch>='A' && ch<='Z')
68 || (ch>='0' && ch<='9') || ch=='-')
69 continue;
70
72 return 0;
73 }
74 label_end = i;
75 /* last label may be empty */
76 if(label_start==label_end && ch) {
78 return 0;
79 }
80
81 if((dwFlags&IDN_USE_STD3_ASCII_RULES) && (lpASCIICharStr[label_start]=='-' ||
82 lpASCIICharStr[label_end-1]=='-')) {
84 return 0;
85 }
86 if(label_end-label_start > 63) {
88 return 0;
89 }
90
91 if(label_end-label_start<4 ||
92 tolowerW(lpASCIICharStr[label_start])!='x' ||
93 tolowerW(lpASCIICharStr[label_start+1])!='n' ||
94 lpASCIICharStr[label_start+2]!='-' || lpASCIICharStr[label_start+3]!='-') {
95 if(label_end < cchASCIIChar)
96 label_end++;
97
98 if(!lpUnicodeCharStr) {
99 out += label_end-label_start;
100 }else if(out+label_end-label_start <= cchUnicodeChar) {
101 memcpy(lpUnicodeCharStr+out, lpASCIICharStr+label_start,
102 (label_end-label_start)*sizeof(WCHAR));
103 out += label_end-label_start;
104 }else {
106 return 0;
107 }
108
109 label_start = label_end;
110 continue;
111 }
112
113 if(delim == label_start+3)
114 delim++;
115 if(!lpUnicodeCharStr) {
116 out += delim-label_start-4;
117 }else if(out+delim-label_start-4 <= cchUnicodeChar) {
118 memcpy(lpUnicodeCharStr+out, lpASCIICharStr+label_start+4,
119 (delim-label_start-4)*sizeof(WCHAR));
120 out += delim-label_start-4;
121 }else {
123 return 0;
124 }
125 if(out != out_label)
126 delim++;
127
128 for(i=delim; i<label_end;) {
129 old_pos = pos;
130 w = 1;
131 for(k=BASE; ; k+=BASE) {
132 ch = i<label_end ? tolowerW(lpASCIICharStr[i++]) : 0;
133 if((ch<'a' || ch>'z') && (ch<'0' || ch>'9')) {
135 return 0;
136 }
137 digit = ch<='9' ? ch-'0'+'z'-'a'+1 : ch-'a';
138 pos += digit*w;
139 t = k<=bias ? TMIN : k>=bias+TMAX ? TMAX : k-bias;
140 if(digit < t)
141 break;
142 w *= BASE-t;
143 }
144 bias = adapt(pos-old_pos, out-out_label+1, old_pos==0);
145 n += pos/(out-out_label+1);
146 pos %= out-out_label+1;
147
148 if((dwFlags&IDN_ALLOW_UNASSIGNED)==0 &&
149 get_table_entry(nameprep_char_type, n)==1/*UNASSIGNED*/) {
151 return 0;
152 }
153 if(!lpUnicodeCharStr) {
154 out++;
155 }else if(out+1 <= cchASCIIChar) {
156 memmove(lpUnicodeCharStr+out_label+pos+1,
157 lpUnicodeCharStr+out_label+pos,
158 (out-out_label-pos)*sizeof(WCHAR));
159 lpUnicodeCharStr[out_label+pos] = n;
160 out++;
161 }else {
163 return 0;
164 }
165 pos++;
166 }
167
168 if(out-out_label > 63) {
170 return 0;
171 }
172
173 if(label_end < cchASCIIChar) {
174 if(!lpUnicodeCharStr) {
175 out++;
176 }else if(out+1 <= cchUnicodeChar) {
177 lpUnicodeCharStr[out++] = lpASCIICharStr[label_end];
178 }else {
180 return 0;
181 }
182 }
183 label_start = label_end+1;
184 }
185
186 return out;
187}
static INT adapt(INT delta, INT numpoints, BOOL firsttime)
Definition: IdnToUnicode.c:20
static unsigned short get_table_entry(const unsigned short *table, WCHAR ch)
Definition: IdnToUnicode.c:32
#define ERROR_INSUFFICIENT_BUFFER
Definition: dderror.h:10
#define SetLastError(x)
Definition: compat.h:752
#define ERROR_INVALID_NAME
Definition: compat.h:103
GLdouble GLdouble t
Definition: gl.h:2047
GLdouble n
Definition: glext.h:7729
GLfloat bias
Definition: glext.h:7909
GLubyte GLubyte GLubyte GLubyte w
Definition: glext.h:6102
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
#define memmove(s1, s2, n)
Definition: mkisofs.h:881
const unsigned short nameprep_char_type[4432]
Definition: nameprep.c:5
#define tolowerW(n)
Definition: unicode.h:44
static FILE * out
Definition: regtests2xml.c:44
#define DPRINT
Definition: sndvol32.h:71
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1176
__wchar_t WCHAR
Definition: xmlstorage.h:180

Referenced by InitFunctionPointers(), and urlcache_decode_url().