f66874c19f
Batch #834 by ragnarok-clanker: 0 byte-identical, 1 confirmed by peer review. - fn_17634 LexiconBoundary::Matches: logic confirmed by peer review Reviewed-by: ragnarok-clanker Adds to the build: Source/Utility/LexiconBoundary.cpp
38 lines
1 KiB
C++
38 lines
1 KiB
C++
#include "Utility/LexiconBoundary.h"
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// FUNCTION: fn_17634
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bool LexiconBoundary::Matches(unsigned char previous, unsigned char current, unsigned char options) const {
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if (previous == 0xDD) {
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return true;
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}
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if ((this->flags[previous] & 1) != 0 && (this->flags[current] & 0x2100) != 0) {
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return true;
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}
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if (current == 32) {
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return true;
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}
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if (previous == 32) {
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return false;
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}
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const std::uint32_t before = this->flags[previous];
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const std::uint32_t after = this->flags[current];
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if ((options & 2) != 0) {
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return ((before & 0x470) != 0) == ((after & 0x470) != 0) &&
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(((before & 0x1000) != 0 && (after & 1) != 0) || ((before & 0x470) != 0 && (after & 0x470) != 0) ||
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((before & 2) != 0 && (after & 2) != 0));
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}
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if ((after & 0x10) != 0 && (before & 0x10) == 0) {
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return false;
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}
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if ((after & 0x60) != 0 || (before & 0x10) != 0 || ((before & 0x1000) != 0 && (after & 1) != 0)) {
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return true;
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}
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return ((before & 0x400) != 0 && (after & 0x10002) != 0) || (after & 0x400) != 0;
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}
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