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| author | Ryan Harrison <rharrison@chromium.org> | 2017-08-01 15:16:59 -0400 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-08-01 19:35:49 +0000 |
| commit | da129ab38c3fb6ed3de85ffb6f8938eb31130a53 (patch) | |
| tree | 1ed3980d91ae9258f917124d69f0276260e34b71 /xfa/fxfa/parser/cxfa_localevalue.cpp | |
| parent | de7c9620c37486413e1f7db4567b4b0cea6a857f (diff) | |
| download | pdfium-da129ab38c3fb6ed3de85ffb6f8938eb31130a53.tar.xz | |
Replace raw value for constant error value in string operations
Currently Find() and other methods that return a FX_STRSIZE return -1
to indicate error/failure. This means that there is a lot of magic
numbers and magic checks floating around. The standard library for
similar operations uses a npos constant. This CL implements
FX_STRNPOS, and replaces usages of magic number checking. It also does
some type cleanup along the way where it was obvious that FX_STRSIZE
should be being used.
Removing the magic numbers should make eventually changing FX_STRSIZE
to be unsigned easier in the future.
BUG=pdfium:828
Change-Id: I67e481e44cf2f75a1698afa8fbee4f375a74c490
Reviewed-on: https://pdfium-review.googlesource.com/9651
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'xfa/fxfa/parser/cxfa_localevalue.cpp')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_localevalue.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/xfa/fxfa/parser/cxfa_localevalue.cpp b/xfa/fxfa/parser/cxfa_localevalue.cpp index 5b5c27f1d4..aa0f74b170 100644 --- a/xfa/fxfa/parser/cxfa_localevalue.cpp +++ b/xfa/fxfa/parser/cxfa_localevalue.cpp @@ -49,10 +49,10 @@ bool ValueSplitDateTime(const CFX_WideString& wsDateTime, if (wsDateTime.IsEmpty()) return false; - int nSplitIndex = wsDateTime.Find('T'); - if (nSplitIndex < 0) + FX_STRSIZE nSplitIndex = wsDateTime.Find('T'); + if (nSplitIndex == FX_STRNPOS) nSplitIndex = wsDateTime.Find(' '); - if (nSplitIndex < 0) + if (nSplitIndex == FX_STRNPOS) return false; wsDate = wsDateTime.Left(nSplitIndex); @@ -444,7 +444,7 @@ bool CXFA_LocaleValue::ValidateCanonicalDate(const CFX_WideString& wsDate, if (nLen < wCountY || nLen > wCountY + wCountM + wCountD + 2) return false; - const bool bSymbol = wsDate.Find(0x2D) != -1; + const bool bSymbol = wsDate.Find(0x2D) != FX_STRNPOS; uint16_t wYear = 0; uint16_t wMonth = 0; uint16_t wDay = 0; @@ -519,7 +519,7 @@ bool CXFA_LocaleValue::ValidateCanonicalTime(const CFX_WideString& wsTime) { const uint16_t wCountM = 2; const uint16_t wCountS = 2; const uint16_t wCountF = 3; - const bool bSymbol = wsTime.Find(':') != -1; + const bool bSymbol = wsTime.Find(':') != FX_STRNPOS; uint16_t wHour = 0; uint16_t wMinute = 0; uint16_t wSecond = 0; @@ -558,7 +558,8 @@ bool CXFA_LocaleValue::ValidateCanonicalTime(const CFX_WideString& wsTime) { wSecond = pTime[nIndex] - '0' + wSecond * 10; nIndex++; } - if (wsTime.Find('.') > 0) { + FX_STRSIZE ret = wsTime.Find('.'); + if (ret && ret != FX_STRNPOS) { if (pTime[nIndex] != '.') return false; nIndex++; |