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src: add node_encoding.cc · nodejs/node@8e2e167 · GitHub

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jasnell
authored and
targos
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src: add node_encoding.cc
Continue moving bits of code out of node.cc ... add node_encoding.cc as a home for `ParseEncoding` and related functions. PR-URL: #21112 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
1 parent 39b3875 commit 8e2e167

3 files changed

Lines changed: 139 additions & 123 deletions

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‎node.gyp‎

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Original file line numberDiff line numberDiff line change
@@ -332,6 +332,7 @@
332332
'src/node_contextify.cc',
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'src/node_debug_options.cc',
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'src/node_domain.cc',
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'src/node_encoding.cc',
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'src/node_errors.h',
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'src/node_file.cc',
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'src/node_http2.cc',

‎src/node.cc‎

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Original file line numberDiff line numberDiff line change
@@ -765,129 +765,6 @@ Local<Value> MakeCallback(Isolate* isolate,
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.FromMaybe(Local<Value>()));
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}
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768-
769-
enum encoding ParseEncoding(const char* encoding,
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enum encoding default_encoding) {
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switch (encoding[0]) {
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case 'u':
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// utf8, utf16le
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if (encoding[1] == 't' && encoding[2] == 'f') {
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// Skip `-`
776-
encoding += encoding[3] == '-' ? 4 : 3;
777-
if (encoding[0] == '8' && encoding[1] == '\0')
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return UTF8;
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if (strncmp(encoding, "16le", 4) == 0)
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return UCS2;
781-
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// ucs2
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} else if (encoding[1] == 'c' && encoding[2] == 's') {
784-
encoding += encoding[3] == '-' ? 4 : 3;
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if (encoding[0] == '2' && encoding[1] == '\0')
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return UCS2;
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}
788-
break;
789-
case 'l':
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// latin1
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if (encoding[1] == 'a') {
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if (strncmp(encoding + 2, "tin1", 4) == 0)
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return LATIN1;
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}
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break;
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case 'b':
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// binary
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if (encoding[1] == 'i') {
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if (strncmp(encoding + 2, "nary", 4) == 0)
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return LATIN1;
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// buffer
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} else if (encoding[1] == 'u') {
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if (strncmp(encoding + 2, "ffer", 4) == 0)
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return BUFFER;
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}
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break;
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case '\0':
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return default_encoding;
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default:
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break;
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}
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if (StringEqualNoCase(encoding, "utf8")) {
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return UTF8;
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} else if (StringEqualNoCase(encoding, "utf-8")) {
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return UTF8;
818-
} else if (StringEqualNoCase(encoding, "ascii")) {
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return ASCII;
820-
} else if (StringEqualNoCase(encoding, "base64")) {
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return BASE64;
822-
} else if (StringEqualNoCase(encoding, "ucs2")) {
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return UCS2;
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} else if (StringEqualNoCase(encoding, "ucs-2")) {
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return UCS2;
826-
} else if (StringEqualNoCase(encoding, "utf16le")) {
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return UCS2;
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} else if (StringEqualNoCase(encoding, "utf-16le")) {
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return UCS2;
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} else if (StringEqualNoCase(encoding, "latin1")) {
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return LATIN1;
832-
} else if (StringEqualNoCase(encoding, "binary")) {
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return LATIN1; // BINARY is a deprecated alias of LATIN1.
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} else if (StringEqualNoCase(encoding, "buffer")) {
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return BUFFER;
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} else if (StringEqualNoCase(encoding, "hex")) {
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return HEX;
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} else {
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return default_encoding;
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}
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}
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enum encoding ParseEncoding(Isolate* isolate,
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Local<Value> encoding_v,
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enum encoding default_encoding) {
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CHECK(!encoding_v.IsEmpty());
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if (!encoding_v->IsString())
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return default_encoding;
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852-
node::Utf8Value encoding(isolate, encoding_v);
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return ParseEncoding(*encoding, default_encoding);
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}
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Local<Value> Encode(Isolate* isolate,
858-
const char* buf,
859-
size_t len,
860-
enum encoding encoding) {
861-
CHECK_NE(encoding, UCS2);
862-
Local<Value> error;
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return StringBytes::Encode(isolate, buf, len, encoding, &error)
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.ToLocalChecked();
865-
}
866-
867-
Local<Value> Encode(Isolate* isolate, const uint16_t* buf, size_t len) {
868-
Local<Value> error;
869-
return StringBytes::Encode(isolate, buf, len, &error)
870-
.ToLocalChecked();
871-
}
872-
873-
// Returns -1 if the handle was not valid for decoding
874-
ssize_t DecodeBytes(Isolate* isolate,
875-
Local<Value> val,
876-
enum encoding encoding) {
877-
HandleScope scope(isolate);
878-
879-
return StringBytes::Size(isolate, val, encoding);
880-
}
881-
882-
// Returns number of bytes written.
883-
ssize_t DecodeWrite(Isolate* isolate,
884-
char* buf,
885-
size_t buflen,
886-
Local<Value> val,
887-
enum encoding encoding) {
888-
return StringBytes::Write(isolate, buf, buflen, val, encoding, nullptr);
889-
}
890-
891768
bool IsExceptionDecorated(Environment* env, Local<Value> er) {
892769
if (!er.IsEmpty() && er->IsObject()) {
893770
Local<Object> err_obj = er.As<Object>();

‎src/node_encoding.cc‎

Lines changed: 138 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,138 @@
1+
#include "node.h"
2+
#include "env.h"
3+
#include "env-inl.h"
4+
#include "string_bytes.h"
5+
#include "util.h"
6+
#include "util-inl.h"
7+
#include "v8.h"
8+
9+
namespace node {
10+
11+
using v8::HandleScope;
12+
using v8::Isolate;
13+
using v8::Local;
14+
using v8::Value;
15+
16+
enum encoding ParseEncoding(const char* encoding,
17+
enum encoding default_encoding) {
18+
switch (encoding[0]) {
19+
case 'u':
20+
// utf8, utf16le
21+
if (encoding[1] == 't' && encoding[2] == 'f') {
22+
// Skip `-`
23+
encoding += encoding[3] == '-' ? 4 : 3;
24+
if (encoding[0] == '8' && encoding[1] == '\0')
25+
return UTF8;
26+
if (strncmp(encoding, "16le", 4) == 0)
27+
return UCS2;
28+
29+
// ucs2
30+
} else if (encoding[1] == 'c' && encoding[2] == 's') {
31+
encoding += encoding[3] == '-' ? 4 : 3;
32+
if (encoding[0] == '2' && encoding[1] == '\0')
33+
return UCS2;
34+
}
35+
break;
36+
case 'l':
37+
// latin1
38+
if (encoding[1] == 'a') {
39+
if (strncmp(encoding + 2, "tin1", 4) == 0)
40+
return LATIN1;
41+
}
42+
break;
43+
case 'b':
44+
// binary
45+
if (encoding[1] == 'i') {
46+
if (strncmp(encoding + 2, "nary", 4) == 0)
47+
return LATIN1;
48+
49+
// buffer
50+
} else if (encoding[1] == 'u') {
51+
if (strncmp(encoding + 2, "ffer", 4) == 0)
52+
return BUFFER;
53+
}
54+
break;
55+
case '\0':
56+
return default_encoding;
57+
default:
58+
break;
59+
}
60+
61+
if (StringEqualNoCase(encoding, "utf8")) {
62+
return UTF8;
63+
} else if (StringEqualNoCase(encoding, "utf-8")) {
64+
return UTF8;
65+
} else if (StringEqualNoCase(encoding, "ascii")) {
66+
return ASCII;
67+
} else if (StringEqualNoCase(encoding, "base64")) {
68+
return BASE64;
69+
} else if (StringEqualNoCase(encoding, "ucs2")) {
70+
return UCS2;
71+
} else if (StringEqualNoCase(encoding, "ucs-2")) {
72+
return UCS2;
73+
} else if (StringEqualNoCase(encoding, "utf16le")) {
74+
return UCS2;
75+
} else if (StringEqualNoCase(encoding, "utf-16le")) {
76+
return UCS2;
77+
} else if (StringEqualNoCase(encoding, "latin1")) {
78+
return LATIN1;
79+
} else if (StringEqualNoCase(encoding, "binary")) {
80+
return LATIN1; // BINARY is a deprecated alias of LATIN1.
81+
} else if (StringEqualNoCase(encoding, "buffer")) {
82+
return BUFFER;
83+
} else if (StringEqualNoCase(encoding, "hex")) {
84+
return HEX;
85+
} else {
86+
return default_encoding;
87+
}
88+
}
89+
90+
91+
enum encoding ParseEncoding(Isolate* isolate,
92+
Local<Value> encoding_v,
93+
enum encoding default_encoding) {
94+
CHECK(!encoding_v.IsEmpty());
95+
96+
if (!encoding_v->IsString())
97+
return default_encoding;
98+
99+
Utf8Value encoding(isolate, encoding_v);
100+
101+
return ParseEncoding(*encoding, default_encoding);
102+
}
103+
104+
Local<Value> Encode(Isolate* isolate,
105+
const char* buf,
106+
size_t len,
107+
enum encoding encoding) {
108+
CHECK_NE(encoding, UCS2);
109+
Local<Value> error;
110+
return StringBytes::Encode(isolate, buf, len, encoding, &error)
111+
.ToLocalChecked();
112+
}
113+
114+
Local<Value> Encode(Isolate* isolate, const uint16_t* buf, size_t len) {
115+
Local<Value> error;
116+
return StringBytes::Encode(isolate, buf, len, &error)
117+
.ToLocalChecked();
118+
}
119+
120+
// Returns -1 if the handle was not valid for decoding
121+
ssize_t DecodeBytes(Isolate* isolate,
122+
Local<Value> val,
123+
enum encoding encoding) {
124+
HandleScope scope(isolate);
125+
126+
return StringBytes::Size(isolate, val, encoding);
127+
}
128+
129+
// Returns number of bytes written.
130+
ssize_t DecodeWrite(Isolate* isolate,
131+
char* buf,
132+
size_t buflen,
133+
Local<Value> val,
134+
enum encoding encoding) {
135+
return StringBytes::Write(isolate, buf, buflen, val, encoding, nullptr);
136+
}
137+
138+
} // namespace node

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