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Unified Diff: third_party/WebKit/Source/wtf/text/Base64.cpp

Issue 1611343002: wtf reformat test Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: pydent Created 4 years, 11 months ago
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Index: third_party/WebKit/Source/wtf/text/Base64.cpp
diff --git a/third_party/WebKit/Source/wtf/text/Base64.cpp b/third_party/WebKit/Source/wtf/text/Base64.cpp
index 5f7a39feb58e2763a11c863491186f28b0162279..cb958b740097bb5162dba893858cbe2f3dedc15f 100644
--- a/third_party/WebKit/Source/wtf/text/Base64.cpp
+++ b/third_party/WebKit/Source/wtf/text/Base64.cpp
@@ -29,222 +29,242 @@
namespace WTF {
static const char base64EncMap[64] = {
- 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
- 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
- 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- 0x59, 0x5A, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
- 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E,
- 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
- 0x77, 0x78, 0x79, 0x7A, 0x30, 0x31, 0x32, 0x33,
- 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x2B, 0x2F
-};
+ 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+ 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
+ 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
+ 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x30, 0x31, 0x32,
+ 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x2B, 0x2F};
static const char base64DecMap[128] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x3F,
- 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
- 0x3C, 0x3D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
- 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
- 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
- 0x17, 0x18, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
- 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
- 0x31, 0x32, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-String base64Encode(const char* data, unsigned length, Base64EncodePolicy policy)
-{
- Vector<char> result;
- base64Encode(data, length, result, policy);
- return String(result.data(), result.size());
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x3F,
+ 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
+ 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+ 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24,
+ 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
+ 0x31, 0x32, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+String base64Encode(const char* data,
+ unsigned length,
+ Base64EncodePolicy policy) {
+ Vector<char> result;
+ base64Encode(data, length, result, policy);
+ return String(result.data(), result.size());
}
-void base64Encode(const char* data, unsigned len, Vector<char>& out, Base64EncodePolicy policy)
-{
- out.clear();
- if (!len)
- return;
-
- // If the input string is pathologically large, just return nothing.
- // Note: Keep this in sync with the "outLength" computation below.
- // Rather than being perfectly precise, this is a bit conservative.
- const unsigned maxInputBufferSize = UINT_MAX / 77 * 76 / 4 * 3 - 2;
- if (len > maxInputBufferSize)
- return;
-
- unsigned sidx = 0;
- unsigned didx = 0;
-
- unsigned outLength = ((len + 2) / 3) * 4;
-
- // Deal with the 76 character per line limit specified in RFC 2045.
- bool insertLFs = (policy == Base64InsertLFs && outLength > 76);
- if (insertLFs)
- outLength += ((outLength - 1) / 76);
-
- int count = 0;
- out.grow(outLength);
-
- // 3-byte to 4-byte conversion + 0-63 to ascii printable conversion
- if (len > 1) {
- while (sidx < len - 2) {
- if (insertLFs) {
- if (count && !(count % 76))
- out[didx++] = '\n';
- count += 4;
- }
- out[didx++] = base64EncMap[(data[sidx] >> 2) & 077];
- out[didx++] = base64EncMap[((data[sidx + 1] >> 4) & 017) | ((data[sidx] << 4) & 077)];
- out[didx++] = base64EncMap[((data[sidx + 2] >> 6) & 003) | ((data[sidx + 1] << 2) & 077)];
- out[didx++] = base64EncMap[data[sidx + 2] & 077];
- sidx += 3;
- }
+void base64Encode(const char* data,
+ unsigned len,
+ Vector<char>& out,
+ Base64EncodePolicy policy) {
+ out.clear();
+ if (!len)
+ return;
+
+ // If the input string is pathologically large, just return nothing.
+ // Note: Keep this in sync with the "outLength" computation below.
+ // Rather than being perfectly precise, this is a bit conservative.
+ const unsigned maxInputBufferSize = UINT_MAX / 77 * 76 / 4 * 3 - 2;
+ if (len > maxInputBufferSize)
+ return;
+
+ unsigned sidx = 0;
+ unsigned didx = 0;
+
+ unsigned outLength = ((len + 2) / 3) * 4;
+
+ // Deal with the 76 character per line limit specified in RFC 2045.
+ bool insertLFs = (policy == Base64InsertLFs && outLength > 76);
+ if (insertLFs)
+ outLength += ((outLength - 1) / 76);
+
+ int count = 0;
+ out.grow(outLength);
+
+ // 3-byte to 4-byte conversion + 0-63 to ascii printable conversion
+ if (len > 1) {
+ while (sidx < len - 2) {
+ if (insertLFs) {
+ if (count && !(count % 76))
+ out[didx++] = '\n';
+ count += 4;
+ }
+ out[didx++] = base64EncMap[(data[sidx] >> 2) & 077];
+ out[didx++] = base64EncMap[((data[sidx + 1] >> 4) & 017) |
+ ((data[sidx] << 4) & 077)];
+ out[didx++] = base64EncMap[((data[sidx + 2] >> 6) & 003) |
+ ((data[sidx + 1] << 2) & 077)];
+ out[didx++] = base64EncMap[data[sidx + 2] & 077];
+ sidx += 3;
}
-
- if (sidx < len) {
- if (insertLFs && (count > 0) && !(count % 76))
- out[didx++] = '\n';
-
- out[didx++] = base64EncMap[(data[sidx] >> 2) & 077];
- if (sidx < len - 1) {
- out[didx++] = base64EncMap[((data[sidx + 1] >> 4) & 017) | ((data[sidx] << 4) & 077)];
- out[didx++] = base64EncMap[(data[sidx + 1] << 2) & 077];
- } else {
- out[didx++] = base64EncMap[(data[sidx] << 4) & 077];
- }
+ }
+
+ if (sidx < len) {
+ if (insertLFs && (count > 0) && !(count % 76))
+ out[didx++] = '\n';
+
+ out[didx++] = base64EncMap[(data[sidx] >> 2) & 077];
+ if (sidx < len - 1) {
+ out[didx++] = base64EncMap[((data[sidx + 1] >> 4) & 017) |
+ ((data[sidx] << 4) & 077)];
+ out[didx++] = base64EncMap[(data[sidx + 1] << 2) & 077];
+ } else {
+ out[didx++] = base64EncMap[(data[sidx] << 4) & 077];
}
+ }
- // Add padding
- while (didx < out.size()) {
- out[didx] = '=';
- ++didx;
- }
+ // Add padding
+ while (didx < out.size()) {
+ out[didx] = '=';
+ ++didx;
+ }
}
-bool base64Decode(const Vector<char>& in, Vector<char>& out, CharacterMatchFunctionPtr shouldIgnoreCharacter, Base64DecodePolicy policy)
-{
- out.clear();
+bool base64Decode(const Vector<char>& in,
+ Vector<char>& out,
+ CharacterMatchFunctionPtr shouldIgnoreCharacter,
+ Base64DecodePolicy policy) {
+ out.clear();
- // If the input string is pathologically large, just return nothing.
- if (in.size() > UINT_MAX)
- return false;
+ // If the input string is pathologically large, just return nothing.
+ if (in.size() > UINT_MAX)
+ return false;
- return base64Decode(in.data(), in.size(), out, shouldIgnoreCharacter, policy);
+ return base64Decode(in.data(), in.size(), out, shouldIgnoreCharacter, policy);
}
-template<typename T>
-static inline bool base64DecodeInternal(const T* data, unsigned length, Vector<char>& out, CharacterMatchFunctionPtr shouldIgnoreCharacter, Base64DecodePolicy policy)
-{
- out.clear();
- if (!length)
- return true;
-
- out.grow(length);
-
- unsigned equalsSignCount = 0;
- unsigned outLength = 0;
- bool hadError = false;
- for (unsigned idx = 0; idx < length; ++idx) {
- UChar ch = data[idx];
- if (ch == '=') {
- ++equalsSignCount;
- // There should never be more than 2 padding characters.
- if (policy == Base64ValidatePadding && equalsSignCount > 2) {
- hadError = true;
- break;
- }
- } else if (('0' <= ch && ch <= '9') || ('A' <= ch && ch <= 'Z') || ('a' <= ch && ch <= 'z') || ch == '+' || ch == '/') {
- if (equalsSignCount) {
- hadError = true;
- break;
- }
- out[outLength++] = base64DecMap[ch];
- } else if (!shouldIgnoreCharacter || !shouldIgnoreCharacter(ch)) {
- hadError = true;
- break;
- }
- }
+template <typename T>
+static inline bool base64DecodeInternal(
+ const T* data,
+ unsigned length,
+ Vector<char>& out,
+ CharacterMatchFunctionPtr shouldIgnoreCharacter,
+ Base64DecodePolicy policy) {
+ out.clear();
+ if (!length)
+ return true;
- if (outLength < out.size())
- out.shrink(outLength);
-
- if (hadError)
- return false;
-
- if (!outLength)
- return !equalsSignCount;
-
- // There should be no padding if length is a multiple of 4.
- // We use (outLength + equalsSignCount) instead of length because we don't want to account for ignored characters.
- if (policy == Base64ValidatePadding && equalsSignCount && (outLength + equalsSignCount) % 4)
- return false;
-
- // Valid data is (n * 4 + [0,2,3]) characters long.
- if ((outLength % 4) == 1)
- return false;
-
- // 4-byte to 3-byte conversion
- outLength -= (outLength + 3) / 4;
- if (!outLength)
- return false;
-
- unsigned sidx = 0;
- unsigned didx = 0;
- if (outLength > 1) {
- while (didx < outLength - 2) {
- out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
- out[didx + 1] = (((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
- out[didx + 2] = (((out[sidx + 2] << 6) & 255) | (out[sidx + 3] & 077));
- sidx += 4;
- didx += 3;
- }
+ out.grow(length);
+
+ unsigned equalsSignCount = 0;
+ unsigned outLength = 0;
+ bool hadError = false;
+ for (unsigned idx = 0; idx < length; ++idx) {
+ UChar ch = data[idx];
+ if (ch == '=') {
+ ++equalsSignCount;
+ // There should never be more than 2 padding characters.
+ if (policy == Base64ValidatePadding && equalsSignCount > 2) {
+ hadError = true;
+ break;
+ }
+ } else if (('0' <= ch && ch <= '9') || ('A' <= ch && ch <= 'Z') ||
+ ('a' <= ch && ch <= 'z') || ch == '+' || ch == '/') {
+ if (equalsSignCount) {
+ hadError = true;
+ break;
+ }
+ out[outLength++] = base64DecMap[ch];
+ } else if (!shouldIgnoreCharacter || !shouldIgnoreCharacter(ch)) {
+ hadError = true;
+ break;
+ }
+ }
+
+ if (outLength < out.size())
+ out.shrink(outLength);
+
+ if (hadError)
+ return false;
+
+ if (!outLength)
+ return !equalsSignCount;
+
+ // There should be no padding if length is a multiple of 4.
+ // We use (outLength + equalsSignCount) instead of length because we don't want to account for ignored characters.
+ if (policy == Base64ValidatePadding && equalsSignCount &&
+ (outLength + equalsSignCount) % 4)
+ return false;
+
+ // Valid data is (n * 4 + [0,2,3]) characters long.
+ if ((outLength % 4) == 1)
+ return false;
+
+ // 4-byte to 3-byte conversion
+ outLength -= (outLength + 3) / 4;
+ if (!outLength)
+ return false;
+
+ unsigned sidx = 0;
+ unsigned didx = 0;
+ if (outLength > 1) {
+ while (didx < outLength - 2) {
+ out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
+ out[didx + 1] =
+ (((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
+ out[didx + 2] = (((out[sidx + 2] << 6) & 255) | (out[sidx + 3] & 077));
+ sidx += 4;
+ didx += 3;
}
+ }
- if (didx < outLength)
- out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
+ if (didx < outLength)
+ out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
- if (++didx < outLength)
- out[didx] = (((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
+ if (++didx < outLength)
+ out[didx] = (((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
- if (outLength < out.size())
- out.shrink(outLength);
+ if (outLength < out.size())
+ out.shrink(outLength);
- return true;
+ return true;
}
-bool base64Decode(const char* data, unsigned length, Vector<char>& out, CharacterMatchFunctionPtr shouldIgnoreCharacter, Base64DecodePolicy policy)
-{
- return base64DecodeInternal<LChar>(reinterpret_cast<const LChar*>(data), length, out, shouldIgnoreCharacter, policy);
+bool base64Decode(const char* data,
+ unsigned length,
+ Vector<char>& out,
+ CharacterMatchFunctionPtr shouldIgnoreCharacter,
+ Base64DecodePolicy policy) {
+ return base64DecodeInternal<LChar>(reinterpret_cast<const LChar*>(data),
+ length, out, shouldIgnoreCharacter,
+ policy);
}
-bool base64Decode(const UChar* data, unsigned length, Vector<char>& out, CharacterMatchFunctionPtr shouldIgnoreCharacter, Base64DecodePolicy policy)
-{
- return base64DecodeInternal<UChar>(data, length, out, shouldIgnoreCharacter, policy);
+bool base64Decode(const UChar* data,
+ unsigned length,
+ Vector<char>& out,
+ CharacterMatchFunctionPtr shouldIgnoreCharacter,
+ Base64DecodePolicy policy) {
+ return base64DecodeInternal<UChar>(data, length, out, shouldIgnoreCharacter,
+ policy);
}
-bool base64Decode(const String& in, Vector<char>& out, CharacterMatchFunctionPtr shouldIgnoreCharacter, Base64DecodePolicy policy)
-{
- if (in.isEmpty())
- return base64DecodeInternal<LChar>(0, 0, out, shouldIgnoreCharacter, policy);
- if (in.is8Bit())
- return base64DecodeInternal<LChar>(in.characters8(), in.length(), out, shouldIgnoreCharacter, policy);
- return base64DecodeInternal<UChar>(in.characters16(), in.length(), out, shouldIgnoreCharacter, policy);
+bool base64Decode(const String& in,
+ Vector<char>& out,
+ CharacterMatchFunctionPtr shouldIgnoreCharacter,
+ Base64DecodePolicy policy) {
+ if (in.isEmpty())
+ return base64DecodeInternal<LChar>(0, 0, out, shouldIgnoreCharacter,
+ policy);
+ if (in.is8Bit())
+ return base64DecodeInternal<LChar>(in.characters8(), in.length(), out,
+ shouldIgnoreCharacter, policy);
+ return base64DecodeInternal<UChar>(in.characters16(), in.length(), out,
+ shouldIgnoreCharacter, policy);
}
-String base64URLEncode(const char* data, unsigned length, Base64EncodePolicy policy)
-{
- return base64Encode(data, length, policy).replace('+', '-').replace('/', '_');
+String base64URLEncode(const char* data,
+ unsigned length,
+ Base64EncodePolicy policy) {
+ return base64Encode(data, length, policy).replace('+', '-').replace('/', '_');
}
-String normalizeToBase64(const String& encoding)
-{
- return String(encoding).replace('-', '+').replace('_', '/');
+String normalizeToBase64(const String& encoding) {
+ return String(encoding).replace('-', '+').replace('_', '/');
}
-} // namespace WTF
+} // namespace WTF
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