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| author | Dan Sinclair <dsinclair@chromium.org> | 2015-10-29 14:56:26 -0400 |
|---|---|---|
| committer | Dan Sinclair <dsinclair@chromium.org> | 2015-10-29 14:56:26 -0400 |
| commit | 589f7e0a57675efce9810c15a3e9b7c49bf0bc90 (patch) | |
| tree | 6839707c05c00f227744ffc3788665cb1cb5b7bd /core/src/fxcrt/fx_extension.cpp | |
| parent | 6ed0028f1cf12ee53e9e7f657b7ba186c77a42f3 (diff) | |
| download | pdfium-589f7e0a57675efce9810c15a3e9b7c49bf0bc90.tar.xz | |
Cleanup some numeric code.
This changes the various comparisons of char >= '0' && char <= '9' and
char < '0' || char > '9' to use std::isdigit checks. It also cleans up
a handful of hex to digit conversions to call one common method.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1415933005 .
Diffstat (limited to 'core/src/fxcrt/fx_extension.cpp')
| -rw-r--r-- | core/src/fxcrt/fx_extension.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/core/src/fxcrt/fx_extension.cpp b/core/src/fxcrt/fx_extension.cpp index d64a06d08b..a75cfb48df 100644 --- a/core/src/fxcrt/fx_extension.cpp +++ b/core/src/fxcrt/fx_extension.cpp @@ -13,6 +13,15 @@ #include <ctime> #endif +#include <cctype> + +int HexCharToDigit(char c) { + if (!std::isxdigit(c)) + return 0; + char upchar = std::toupper(c); + return upchar > '9' ? upchar - 'A' + 10 : upchar - '0'; +} + IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes) { IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(); if (!pFA) { |