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authorRyan Harrison <rharrison@chromium.org>2018-01-31 17:14:22 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-01-31 17:14:22 +0000
commite86db739729993db51090ce6e2b676e6a81ab1a5 (patch)
tree3828fd838b357b61490920ce2798d6a5e9acb44f /fxjs/xfa
parent6ec5ab029194f350866211eccb7ee2a2a0d35bef (diff)
downloadpdfium-e86db739729993db51090ce6e2b676e6a81ab1a5.tar.xz
Remove handrolled search from GetEventParaInfoByName
BUG=pdfium:798 Change-Id: If6219f06303c78ecc8ddda52dd0095d658148e91 Reviewed-on: https://pdfium-review.googlesource.com/24718 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'fxjs/xfa')
-rw-r--r--fxjs/xfa/cjx_node.cpp24
1 files changed, 11 insertions, 13 deletions
diff --git a/fxjs/xfa/cjx_node.cpp b/fxjs/xfa/cjx_node.cpp
index 0508651932..8c49b6f1e4 100644
--- a/fxjs/xfa/cjx_node.cpp
+++ b/fxjs/xfa/cjx_node.cpp
@@ -65,20 +65,18 @@ const XFA_ExecEventParaInfo gs_eventParaInfos[] = {
};
const XFA_ExecEventParaInfo* GetEventParaInfoByName(
- const WideStringView& wsEventName) {
+ WideStringView wsEventName) {
+ if (wsEventName.IsEmpty())
+ return nullptr;
+
uint32_t uHash = FX_HashCode_GetW(wsEventName, false);
- int32_t iStart = 0;
- int32_t iEnd = (sizeof(gs_eventParaInfos) / sizeof(gs_eventParaInfos[0])) - 1;
- do {
- int32_t iMid = (iStart + iEnd) / 2;
- const XFA_ExecEventParaInfo* eventParaInfo = &gs_eventParaInfos[iMid];
- if (uHash == eventParaInfo->m_uHash)
- return eventParaInfo;
- if (uHash < eventParaInfo->m_uHash)
- iEnd = iMid - 1;
- else
- iStart = iMid + 1;
- } while (iStart <= iEnd);
+ auto* result = std::lower_bound(
+ std::begin(gs_eventParaInfos), std::end(gs_eventParaInfos), uHash,
+ [](const XFA_ExecEventParaInfo& iter, const uint16_t& hash) {
+ return iter.m_uHash < hash;
+ });
+ if (result != std::end(gs_eventParaInfos) && result->m_uHash == uHash)
+ return result;
return nullptr;
}