diff options
author | dsinclair <dsinclair@chromium.org> | 2016-06-07 19:36:18 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2016-06-07 19:36:19 -0700 |
commit | f27aeec59186e7d11a3a2167572617fd5ed42941 (patch) | |
tree | af0204ecf2b5e42d9341d7e7b245e0aa8c7b85d6 /xfa/fxjse/value.h | |
parent | a7c03c678dbd6fd4732e0cfb390cc4f462434441 (diff) | |
download | pdfium-f27aeec59186e7d11a3a2167572617fd5ed42941.tar.xz |
Remove various FXJSE Value methods.
This CL removes the FXJSE_Value_Set*, FXJSE_Value_To*, FXJSE_Value_Get* and
FXJSE_Value_Delete* methods.
Review-Url: https://codereview.chromium.org/2043153002
Diffstat (limited to 'xfa/fxjse/value.h')
-rw-r--r-- | xfa/fxjse/value.h | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/xfa/fxjse/value.h b/xfa/fxjse/value.h index 84045d6d81..da4976b53c 100644 --- a/xfa/fxjse/value.h +++ b/xfa/fxjse/value.h @@ -9,6 +9,46 @@ #include "xfa/fxjse/scope_inline.h" +V8_INLINE static double FXJSE_ftod(FX_FLOAT fNumber) { + if (sizeof(FX_FLOAT) != 4) { + ASSERT(FALSE); + return fNumber; + } + + uint32_t nFloatBits = (uint32_t&)fNumber; + uint8_t nExponent = (uint8_t)(nFloatBits >> 16 >> 7); + if (nExponent == 0 || nExponent == 255) + return fNumber; + + int8_t nErrExp = nExponent - 127 - 23; + if (nErrExp >= 0) + return fNumber; + + double dwError = pow(2.0, nErrExp), dwErrorHalf = dwError / 2; + double dNumber = fNumber, dNumberAbs = fabs(fNumber); + double dNumberAbsMin = dNumberAbs - dwErrorHalf, + dNumberAbsMax = dNumberAbs + dwErrorHalf; + int32_t iErrPos = 0; + if (floor(dNumberAbsMin) == floor(dNumberAbsMax)) { + dNumberAbsMin = fmod(dNumberAbsMin, 1.0); + dNumberAbsMax = fmod(dNumberAbsMax, 1.0); + int32_t iErrPosMin = 1, iErrPosMax = 38; + do { + int32_t iMid = (iErrPosMin + iErrPosMax) / 2; + double dPow = pow(10.0, iMid); + if (floor(dNumberAbsMin * dPow) == floor(dNumberAbsMax * dPow)) { + iErrPosMin = iMid + 1; + } else { + iErrPosMax = iMid; + } + } while (iErrPosMin < iErrPosMax); + iErrPos = iErrPosMax; + } + double dPow = pow(10.0, iErrPos); + return fNumber < 0 ? ceil(dNumber * dPow - 0.5) / dPow + : floor(dNumber * dPow + 0.5) / dPow; +} + class CFXJSE_Value { public: CFXJSE_Value(v8::Isolate* pIsolate) : m_pIsolate(pIsolate) {} @@ -176,12 +216,19 @@ class CFXJSE_Value { v8::String::kNormalString, szString.GetLength()); m_hValue.Reset(m_pIsolate, hValue); } - V8_INLINE void SetFloat(FX_FLOAT fFloat); + V8_INLINE void SetFloat(FX_FLOAT fFloat) { + CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); + v8::Local<v8::Value> pValue = + v8::Number::New(m_pIsolate, FXJSE_ftod(fFloat)); + m_hValue.Reset(m_pIsolate, pValue); + } V8_INLINE void SetJSObject() { CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); v8::Local<v8::Value> hValue = v8::Object::New(m_pIsolate); m_hValue.Reset(m_pIsolate, hValue); } + + void SetObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* pClass); void SetHostObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* lpClass); void SetArray(uint32_t uValueCount, CFXJSE_Value** rgValues); void SetDate(double dDouble); @@ -190,7 +237,7 @@ class CFXJSE_Value { CFXJSE_Value* lpPropValue); FX_BOOL SetObjectProperty(const CFX_ByteStringC& szPropName, CFXJSE_Value* lpPropValue); - FX_BOOL GetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); + FX_BOOL GetObjectPropertyByIdx(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); FX_BOOL SetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); FX_BOOL DeleteObjectProperty(const CFX_ByteStringC& szPropName); FX_BOOL HasObjectOwnProperty(const CFX_ByteStringC& szPropName, @@ -211,6 +258,7 @@ class CFXJSE_Value { m_hValue.Reset(m_pIsolate, hValue); } V8_INLINE void Assign(const CFXJSE_Value* lpValue) { + ASSERT(lpValue); if (lpValue) { m_hValue.Reset(m_pIsolate, lpValue->m_hValue); } else { |