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// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_DATEPARSER_INL_H_
#define V8_DATEPARSER_INL_H_
namespace v8 {
namespace internal {
template <typename Char>
bool DateParser::Parse(Vector<Char> str, FixedArray* out) {
ASSERT(out->length() >= OUTPUT_SIZE);
InputReader<Char> in(str);
TimeZoneComposer tz;
TimeComposer time;
DayComposer day;
while (!in.IsEnd()) {
if (in.IsAsciiDigit()) {
// Parse a number (possibly with 1 or 2 trailing colons).
int n = in.ReadUnsignedNumber();
if (in.Skip(':')) {
if (in.Skip(':')) {
// n + "::"
if (!time.IsEmpty()) return false;
time.Add(n);
time.Add(0);
} else {
// n + ":"
if (!time.Add(n)) return false;
}
} else if (tz.IsExpecting(n)) {
tz.SetAbsoluteMinute(n);
} else if (time.IsExpecting(n)) {
time.AddFinal(n);
// Require end or white space immediately after finalizing time.
if (!in.IsEnd() && !in.SkipWhiteSpace()) return false;
} else {
if (!day.Add(n)) return false;
in.Skip('-'); // Ignore suffix '-' for year, month, or day.
}
} else if (in.IsAsciiAlphaOrAbove()) {
// Parse a "word" (sequence of chars. >= 'A').
uint32_t pre[KeywordTable::kPrefixLength];
int len = in.ReadWord(pre, KeywordTable::kPrefixLength);
int index = KeywordTable::Lookup(pre, len);
KeywordType type = KeywordTable::GetType(index);
if (type == AM_PM && !time.IsEmpty()) {
time.SetHourOffset(KeywordTable::GetValue(index));
} else if (type == MONTH_NAME) {
day.SetNamedMonth(KeywordTable::GetValue(index));
in.Skip('-'); // Ignore suffix '-' for month names
} else if (type == TIME_ZONE_NAME && in.HasReadNumber()) {
tz.Set(KeywordTable::GetValue(index));
} else {
// Garbage words are illegal if a number has been read.
if (in.HasReadNumber()) return false;
}
} else if (in.IsAsciiSign() && (tz.IsUTC() || !time.IsEmpty())) {
// Parse UTC offset (only after UTC or time).
tz.SetSign(in.GetAsciiSignValue());
in.Next();
int n = in.ReadUnsignedNumber();
if (in.Skip(':')) {
tz.SetAbsoluteHour(n);
tz.SetAbsoluteMinute(kNone);
} else {
tz.SetAbsoluteHour(n / 100);
tz.SetAbsoluteMinute(n % 100);
}
} else if (in.Is('(')) {
// Ignore anything from '(' to a matching ')' or end of string.
in.SkipParentheses();
} else if ((in.IsAsciiSign() || in.Is(')')) && in.HasReadNumber()) {
// Extra sign or ')' is illegal if a number has been read.
return false;
} else {
// Ignore other characters.
in.Next();
}
}
return day.Write(out) && time.Write(out) && tz.Write(out);
}
} } // namespace v8::internal
#endif // V8_DATEPARSER_INL_H_
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