// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/parser/xfa_basic_imp.h"
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#include "core/fxcrt/include/fx_ext.h"
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#include "xfa/fgas/crt/fgas_codepage.h"
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#include "xfa/fgas/crt/fgas_system.h"
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#include "xfa/fxfa/parser/xfa_basic_data.h"
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#include "xfa/fxfa/parser/xfa_doclayout.h"
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#include "xfa/fxfa/parser/xfa_document.h"
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#include "xfa/fxfa/parser/xfa_localemgr.h"
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#include "xfa/fxfa/parser/xfa_object.h"
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#include "xfa/fxfa/parser/xfa_script.h"
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#include "xfa/fxfa/parser/xfa_utils.h"
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const XFA_PACKETINFO* XFA_GetPacketByName(const CFX_WideStringC& wsName) {
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if (wsName.IsEmpty())
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return nullptr;
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uint32_t uHash = FX_HashCode_GetW(wsName, false);
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int32_t iStart = 0;
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int32_t iEnd = g_iXFAPacketCount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_PACKETINFO* pInfo = g_XFAPacketData + iMid;
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if (uHash == pInfo->uHash) {
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return pInfo;
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} else if (uHash < pInfo->uHash) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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return nullptr;
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}
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const XFA_PACKETINFO* XFA_GetPacketByID(uint32_t dwPacket) {
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int32_t iStart = 0, iEnd = g_iXFAPacketCount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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uint32_t dwFind = (g_XFAPacketData + iMid)->eName;
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if (dwPacket == dwFind) {
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return g_XFAPacketData + iMid;
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} else if (dwPacket < dwFind) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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return nullptr;
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}
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const XFA_PACKETINFO* XFA_GetPacketByIndex(XFA_PACKET ePacket) {
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return g_XFAPacketData + ePacket;
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}
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const XFA_ATTRIBUTEENUMINFO* XFA_GetAttributeEnumByName(
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const CFX_WideStringC& wsName) {
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if (wsName.IsEmpty())
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return nullptr;
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uint32_t uHash = FX_HashCode_GetW(wsName, false);
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int32_t iStart = 0;
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int32_t iEnd = g_iXFAEnumCount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_ATTRIBUTEENUMINFO* pInfo = g_XFAEnumData + iMid;
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if (uHash == pInfo->uHash) {
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return pInfo;
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} else if (uHash < pInfo->uHash) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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return nullptr;
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}
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const XFA_ATTRIBUTEENUMINFO* XFA_GetAttributeEnumByID(XFA_ATTRIBUTEENUM eName) {
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return g_XFAEnumData + eName;
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}
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const XFA_ATTRIBUTEINFO* XFA_GetAttributeByName(const CFX_WideStringC& wsName) {
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if (wsName.IsEmpty())
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return nullptr;
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uint32_t uHash = FX_HashCode_GetW(wsName, false);
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int32_t iStart = 0;
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int32_t iEnd = g_iXFAAttributeCount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_ATTRIBUTEINFO* pInfo = g_XFAAttributeData + iMid;
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if (uHash == pInfo->uHash) {
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return pInfo;
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} else if (uHash < pInfo->uHash) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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return nullptr;
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}
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const XFA_ATTRIBUTEINFO* XFA_GetAttributeByID(XFA_ATTRIBUTE eName) {
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return (eName < g_iXFAAttributeCount) ? (g_XFAAttributeData + eName)
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: nullptr;
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}
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FX_BOOL XFA_GetAttributeDefaultValue(void*& pValue,
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XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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XFA_ATTRIBUTETYPE eType,
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uint32_t dwPacket) {
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const XFA_ATTRIBUTEINFO* pInfo = XFA_GetAttributeByID(eAttribute);
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if (!pInfo) {
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return FALSE;
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}
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if (dwPacket && (dwPacket & pInfo->dwPackets) == 0) {
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return FALSE;
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}
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if (pInfo->eType == eType) {
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pValue = pInfo->pDefValue;
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return TRUE;
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} else if (pInfo->eType == XFA_ATTRIBUTETYPE_NOTSURE) {
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const XFA_NOTSUREATTRIBUTE* pAttr =
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XFA_GetNotsureAttribute(eElement, eAttribute, eType);
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if (pAttr) {
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pValue = pAttr->pValue;
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return TRUE;
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}
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}
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return FALSE;
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}
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XFA_ATTRIBUTEENUM XFA_GetAttributeDefaultValue_Enum(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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uint32_t dwPacket) {
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void* pValue;
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if (XFA_GetAttributeDefaultValue(pValue, eElement, eAttribute,
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XFA_ATTRIBUTETYPE_Enum, dwPacket)) {
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return (XFA_ATTRIBUTEENUM)(uintptr_t)pValue;
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}
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return XFA_ATTRIBUTEENUM_Unknown;
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}
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CFX_WideStringC XFA_GetAttributeDefaultValue_Cdata(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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uint32_t dwPacket) {
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void* pValue;
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if (XFA_GetAttributeDefaultValue(pValue, eElement, eAttribute,
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XFA_ATTRIBUTETYPE_Cdata, dwPacket)) {
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return (const FX_WCHAR*)pValue;
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}
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return nullptr;
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}
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FX_BOOL XFA_GetAttributeDefaultValue_Boolean(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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uint32_t dwPacket) {
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void* pValue;
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if (XFA_GetAttributeDefaultValue(pValue, eElement, eAttribute,
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XFA_ATTRIBUTETYPE_Boolean, dwPacket)) {
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return (FX_BOOL)(uintptr_t)pValue;
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}
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return FALSE;
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}
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CXFA_Measurement XFA_GetAttributeDefaultValue_Measure(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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uint32_t dwPacket) {
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void* pValue;
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if (XFA_GetAttributeDefaultValue(pValue, eElement, eAttribute,
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XFA_ATTRIBUTETYPE_Measure, dwPacket)) {
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return *(CXFA_Measurement*)pValue;
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}
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return CXFA_Measurement();
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}
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XFA_Element XFA_GetElementTypeForName(const CFX_WideStringC& wsName) {
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if (wsName.IsEmpty())
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return XFA_Element::Unknown;
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uint32_t uHash = FX_HashCode_GetW(wsName, false);
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const XFA_ELEMENTINFO* pEnd = g_XFAElementData + g_iXFAElementCount;
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auto pInfo = std::lower_bound(g_XFAElementData, pEnd, uHash,
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[](const XFA_ELEMENTINFO& info, uint32_t hash) {
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return info.uHash < hash;
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});
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if (pInfo < pEnd && pInfo->uHash == uHash)
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return pInfo->eName;
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return XFA_Element::Unknown;
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}
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const XFA_ELEMENTINFO* XFA_GetElementByID(XFA_Element eName) {
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return eName == XFA_Element::Unknown
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? nullptr
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: g_XFAElementData + static_cast<int32_t>(eName);
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}
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const uint8_t* XFA_GetElementAttributes(XFA_Element eElement, int32_t& iCount) {
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if (eElement == XFA_Element::Unknown)
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return nullptr;
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const XFA_ELEMENTHIERARCHY* pElement =
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g_XFAElementAttributeIndex + static_cast<int32_t>(eElement);
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iCount = pElement->wCount;
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return g_XFAElementAttributeData + pElement->wStart;
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}
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const XFA_ATTRIBUTEINFO* XFA_GetAttributeOfElement(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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uint32_t dwPacket) {
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int32_t iCount = 0;
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const uint8_t* pAttr = XFA_GetElementAttributes(eElement, iCount);
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if (!pAttr || iCount < 1)
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return nullptr;
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if (!std::binary_search(pAttr, pAttr + iCount, eAttribute))
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return nullptr;
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const XFA_ATTRIBUTEINFO* pInfo = XFA_GetAttributeByID(eAttribute);
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ASSERT(pInfo);
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if (dwPacket == XFA_XDPPACKET_UNKNOWN)
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return pInfo;
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return (dwPacket & pInfo->dwPackets) ? pInfo : nullptr;
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}
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const XFA_PROPERTY* XFA_GetElementProperties(XFA_Element eElement,
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int32_t& iCount) {
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if (eElement == XFA_Element::Unknown)
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return nullptr;
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const XFA_ELEMENTHIERARCHY* pElement =
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g_XFAElementPropertyIndex + static_cast<int32_t>(eElement);
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iCount = pElement->wCount;
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return g_XFAElementPropertyData + pElement->wStart;
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}
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const XFA_PROPERTY* XFA_GetPropertyOfElement(XFA_Element eElement,
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XFA_Element eProperty,
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uint32_t dwPacket) {
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int32_t iCount = 0;
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const XFA_PROPERTY* pProperties = XFA_GetElementProperties(eElement, iCount);
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if (!pProperties || iCount < 1)
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return nullptr;
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auto it = std::find_if(pProperties, pProperties + iCount,
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[eProperty](const XFA_PROPERTY& prop) {
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return prop.eName == eProperty;
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});
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if (it == pProperties + iCount)
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return nullptr;
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const XFA_ELEMENTINFO* pInfo = XFA_GetElementByID(eProperty);
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ASSERT(pInfo);
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if (dwPacket != XFA_XDPPACKET_UNKNOWN && !(dwPacket & pInfo->dwPackets))
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return nullptr;
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return it;
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}
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const XFA_NOTSUREATTRIBUTE* XFA_GetNotsureAttribute(XFA_Element eElement,
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XFA_ATTRIBUTE eAttribute,
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XFA_ATTRIBUTETYPE eType) {
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int32_t iStart = 0, iEnd = g_iXFANotsureCount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_NOTSUREATTRIBUTE* pAttr = g_XFANotsureAttributes + iMid;
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if (eElement == pAttr->eElement) {
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if (pAttr->eAttribute == eAttribute) {
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if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType) {
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return pAttr;
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}
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return nullptr;
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} else {
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int32_t iBefore = iMid - 1;
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if (iBefore >= 0) {
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pAttr = g_XFANotsureAttributes + iBefore;
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while (eElement == pAttr->eElement) {
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if (pAttr->eAttribute == eAttribute) {
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if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType) {
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return pAttr;
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}
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return nullptr;
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}
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iBefore--;
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if (iBefore < 0) {
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break;
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}
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pAttr = g_XFANotsureAttributes + iBefore;
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}
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}
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int32_t iAfter = iMid + 1;
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if (iAfter <= g_iXFANotsureCount - 1) {
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pAttr = g_XFANotsureAttributes + iAfter;
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while (eElement == pAttr->eElement) {
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if (pAttr->eAttribute == eAttribute) {
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if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType) {
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return pAttr;
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}
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return nullptr;
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}
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iAfter++;
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if (iAfter > g_iXFANotsureCount - 1) {
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break;
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}
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pAttr = g_XFANotsureAttributes + iAfter;
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}
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}
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return nullptr;
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}
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} else if (eElement < pAttr->eElement) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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return nullptr;
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}
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const XFA_METHODINFO* XFA_GetMethodByName(XFA_Element eElement,
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const CFX_WideStringC& wsMethodName) {
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if (wsMethodName.IsEmpty())
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return nullptr;
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int32_t iElementIndex = static_cast<int32_t>(eElement);
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while (iElementIndex != -1) {
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const XFA_SCRIPTHIERARCHY* scriptIndex = g_XFAScriptIndex + iElementIndex;
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int32_t icount = scriptIndex->wMethodCount;
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if (icount == 0) {
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iElementIndex = scriptIndex->wParentIndex;
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continue;
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}
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uint32_t uHash = FX_HashCode_GetW(wsMethodName, false);
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int32_t iStart = scriptIndex->wMethodStart;
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int32_t iEnd = iStart + icount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_METHODINFO* pInfo = g_SomMethodData + iMid;
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if (uHash == pInfo->uHash) {
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return pInfo;
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} else if (uHash < pInfo->uHash) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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iElementIndex = scriptIndex->wParentIndex;
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}
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return nullptr;
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}
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const XFA_SCRIPTATTRIBUTEINFO* XFA_GetScriptAttributeByName(
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XFA_Element eElement,
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const CFX_WideStringC& wsAttributeName) {
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if (wsAttributeName.IsEmpty())
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return nullptr;
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int32_t iElementIndex = static_cast<int32_t>(eElement);
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while (iElementIndex != -1) {
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const XFA_SCRIPTHIERARCHY* scriptIndex = g_XFAScriptIndex + iElementIndex;
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int32_t icount = scriptIndex->wAttributeCount;
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if (icount == 0) {
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iElementIndex = scriptIndex->wParentIndex;
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continue;
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}
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uint32_t uHash = FX_HashCode_GetW(wsAttributeName, false);
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int32_t iStart = scriptIndex->wAttributeStart, iEnd = iStart + icount - 1;
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do {
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int32_t iMid = (iStart + iEnd) / 2;
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const XFA_SCRIPTATTRIBUTEINFO* pInfo = g_SomAttributeData + iMid;
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if (uHash == pInfo->uHash) {
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return pInfo;
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} else if (uHash < pInfo->uHash) {
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iEnd = iMid - 1;
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} else {
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iStart = iMid + 1;
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}
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} while (iStart <= iEnd);
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iElementIndex = scriptIndex->wParentIndex;
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}
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return nullptr;
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}
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void CXFA_Measurement::Set(const CFX_WideStringC& wsMeasure) {
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if (wsMeasure.IsEmpty()) {
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m_fValue = 0;
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m_eUnit = XFA_UNIT_Unknown;
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return;
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}
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int32_t iUsedLen = 0;
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int32_t iOffset = (wsMeasure.GetAt(0) == L'=') ? 1 : 0;
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FX_FLOAT fValue = FX_wcstof(wsMeasure.c_str() + iOffset,
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wsMeasure.GetLength() - iOffset, &iUsedLen);
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XFA_UNIT eUnit = GetUnit(wsMeasure.Mid(iOffset + iUsedLen));
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Set(fValue, eUnit);
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}
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FX_BOOL CXFA_Measurement::ToString(CFX_WideString& wsMeasure) const {
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switch (GetUnit()) {
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case XFA_UNIT_Mm:
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wsMeasure.Format(L"%.8gmm", GetValue());
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return TRUE;
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case XFA_UNIT_Pt:
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wsMeasure.Format(L"%.8gpt", GetValue());
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return TRUE;
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case XFA_UNIT_In:
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wsMeasure.Format(L"%.8gin", GetValue());
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return TRUE;
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case XFA_UNIT_Cm:
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wsMeasure.Format(L"%.8gcm", GetValue());
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return TRUE;
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case XFA_UNIT_Mp:
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wsMeasure.Format(L"%.8gmp", GetValue());
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return TRUE;
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case XFA_UNIT_Pc:
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wsMeasure.Format(L"%.8gpc", GetValue());
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return TRUE;
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case XFA_UNIT_Em:
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wsMeasure.Format(L"%.8gem", GetValue());
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return TRUE;
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case XFA_UNIT_Percent:
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wsMeasure.Format(L"%.8g%%", GetValue());
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return TRUE;
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default:
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wsMeasure.Format(L"%.8g", GetValue());
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return FALSE;
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}
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}
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FX_BOOL CXFA_Measurement::ToUnit(XFA_UNIT eUnit, FX_FLOAT& fValue) const {
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fValue = GetValue();
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XFA_UNIT eFrom = GetUnit();
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if (eFrom == eUnit) {
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return TRUE;
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}
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switch (eFrom) {
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case XFA_UNIT_Pt:
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break;
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case XFA_UNIT_Mm:
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fValue *= 72 / 2.54f / 10;
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break;
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case XFA_UNIT_In:
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fValue *= 72;
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break;
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case XFA_UNIT_Cm:
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fValue *= 72 / 2.54f;
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break;
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case XFA_UNIT_Mp:
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fValue *= 0.001f;
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break;
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case XFA_UNIT_Pc:
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fValue *= 12.0f;
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break;
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default:
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fValue = 0;
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return FALSE;
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}
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switch (eUnit) {
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case XFA_UNIT_Pt:
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return TRUE;
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case XFA_UNIT_Mm:
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fValue /= 72 / 2.54f / 10;
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return TRUE;
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case XFA_UNIT_In:
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fValue /= 72;
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return TRUE;
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case XFA_UNIT_Cm:
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fValue /= 72 / 2.54f;
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return TRUE;
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case XFA_UNIT_Mp:
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fValue /= 0.001f;
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return TRUE;
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case XFA_UNIT_Pc:
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fValue /= 12.0f;
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return TRUE;
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default:
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fValue = 0;
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return FALSE;
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}
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}
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XFA_UNIT CXFA_Measurement::GetUnit(const CFX_WideStringC& wsUnit) {
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if (wsUnit == FX_WSTRC(L"mm")) {
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return XFA_UNIT_Mm;
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} else if (wsUnit == FX_WSTRC(L"pt")) {
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return XFA_UNIT_Pt;
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} else if (wsUnit == FX_WSTRC(L"in")) {
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return XFA_UNIT_In;
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} else if (wsUnit == FX_WSTRC(L"cm")) {
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return XFA_UNIT_Cm;
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} else if (wsUnit == FX_WSTRC(L"pc")) {
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return XFA_UNIT_Pc;
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} else if (wsUnit == FX_WSTRC(L"mp")) {
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return XFA_UNIT_Mp;
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} else if (wsUnit == FX_WSTRC(L"em")) {
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return XFA_UNIT_Em;
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} else if (wsUnit == FX_WSTRC(L"%")) {
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return XFA_UNIT_Percent;
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} else {
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return XFA_UNIT_Unknown;
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}
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}
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IFX_Stream* XFA_CreateWideTextRead(const CFX_WideString& wsBuffer) {
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return new CXFA_WideTextRead(wsBuffer);
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}
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CXFA_WideTextRead::CXFA_WideTextRead(const CFX_WideString& wsBuffer)
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: m_wsBuffer(wsBuffer), m_iPosition(0), m_iRefCount(1) {}
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void CXFA_WideTextRead::Release() {
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if (--m_iRefCount < 1) {
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delete this;
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}
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}
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IFX_Stream* CXFA_WideTextRead::Retain() {
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m_iRefCount++;
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return this;
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}
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uint32_t CXFA_WideTextRead::GetAccessModes() const {
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return FX_STREAMACCESS_Read | FX_STREAMACCESS_Text;
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}
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int32_t CXFA_WideTextRead::GetLength() const {
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return m_wsBuffer.GetLength() * sizeof(FX_WCHAR);
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}
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int32_t CXFA_WideTextRead::Seek(FX_STREAMSEEK eSeek, int32_t iOffset) {
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switch (eSeek) {
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case FX_STREAMSEEK_Begin:
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m_iPosition = iOffset;
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break;
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case FX_STREAMSEEK_Current:
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m_iPosition += iOffset;
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break;
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case FX_STREAMSEEK_End:
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m_iPosition = m_wsBuffer.GetLength() + iOffset;
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break;
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}
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if (m_iPosition < 0) {
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m_iPosition = 0;
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}
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if (m_iPosition > m_wsBuffer.GetLength()) {
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m_iPosition = m_wsBuffer.GetLength();
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}
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return GetPosition();
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}
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int32_t CXFA_WideTextRead::GetPosition() {
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return m_iPosition * sizeof(FX_WCHAR);
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}
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FX_BOOL CXFA_WideTextRead::IsEOF() const {
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return m_iPosition >= m_wsBuffer.GetLength();
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}
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int32_t CXFA_WideTextRead::ReadData(uint8_t* pBuffer, int32_t iBufferSize) {
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return 0;
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}
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int32_t CXFA_WideTextRead::ReadString(FX_WCHAR* pStr,
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int32_t iMaxLength,
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FX_BOOL& bEOS,
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int32_t const* pByteSize) {
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iMaxLength = std::min(iMaxLength, m_wsBuffer.GetLength() - m_iPosition);
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if (iMaxLength == 0)
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return 0;
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FXSYS_wcsncpy(pStr, m_wsBuffer.c_str() + m_iPosition, iMaxLength);
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m_iPosition += iMaxLength;
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bEOS = IsEOF();
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return iMaxLength;
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}
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int32_t CXFA_WideTextRead::WriteData(const uint8_t* pBuffer,
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int32_t iBufferSize) {
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return 0;
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}
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int32_t CXFA_WideTextRead::WriteString(const FX_WCHAR* pStr, int32_t iLength) {
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return 0;
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}
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FX_BOOL CXFA_WideTextRead::SetLength(int32_t iLength) {
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return FALSE;
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}
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int32_t CXFA_WideTextRead::GetBOM(uint8_t bom[4]) const {
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return 0;
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}
|
uint16_t CXFA_WideTextRead::GetCodePage() const {
|
return (sizeof(FX_WCHAR) == 2) ? FX_CODEPAGE_UTF16LE : FX_CODEPAGE_UTF32LE;
|
}
|
uint16_t CXFA_WideTextRead::SetCodePage(uint16_t wCodePage) {
|
return GetCodePage();
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}
|
|
IFX_Stream* CXFA_WideTextRead::CreateSharedStream(uint32_t dwAccess,
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int32_t iOffset,
|
int32_t iLength) {
|
return nullptr;
|
}
|
|
void CXFA_WideTextRead::Lock() {}
|
|
void CXFA_WideTextRead::Unlock() {}
|
|
CFX_WideString CXFA_WideTextRead::GetSrcText() const {
|
return m_wsBuffer;
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}
|
