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authorRyan Harrison <rharrison@chromium.org>2017-08-23 10:39:35 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-08-23 15:11:19 +0000
commit12db7515f17228798d1aa38fce0fee3e7d2d36b6 (patch)
treee291daf9e6a88ba0248670b9f1ba3a555f052538 /core/fxcrt/xml/cfx_xmltext.cpp
parent3bb0a34cc75abe49a59c6390353957bbb5c5ab38 (diff)
downloadpdfium-12db7515f17228798d1aa38fce0fee3e7d2d36b6.tar.xz
Convert string Find methods to return an Optional
The Find and ReverseFind methods for WideString, WideStringC, ByteString, and ByteStringC have been converted from returning a raw FX_STRSIZE, to returning Optional<FX_STRSIZE>, so that success/failure can be indicated without using FX_STRNPOS. This allows for removing FX_STRNPOS and by association makes the conversion of FX_STRSIZE to size_t easier, since it forces checking the return value of Find to be explictly done as well as taking the error value out of the range of FX_STRSIZE. New Contains methods have been added for cases where the success or failure is all the call site to Find cared about, and the actual position was ignored. BUG=pdfium:828 Change-Id: Id827e508c8660affa68cc08a13d96121369364b7 Reviewed-on: https://pdfium-review.googlesource.com/11350 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
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