diff options
Diffstat (limited to 'xfa/src/fde/css/fde_cssstylesheet.cpp')
| -rw-r--r-- | xfa/src/fde/css/fde_cssstylesheet.cpp | 509 |
1 files changed, 0 insertions, 509 deletions
diff --git a/xfa/src/fde/css/fde_cssstylesheet.cpp b/xfa/src/fde/css/fde_cssstylesheet.cpp deleted file mode 100644 index 9b18dd2552..0000000000 --- a/xfa/src/fde/css/fde_cssstylesheet.cpp +++ /dev/null @@ -1,509 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "xfa/src/fde/css/fde_cssstylesheet.h" - -#include "xfa/src/fde/css/fde_cssdatatable.h" -#include "xfa/src/fde/css/fde_csssyntax.h" -#include "xfa/src/fgas/crt/fgas_codepage.h" - -IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadHTMLStandardStyleSheet() { - static const FX_WCHAR* s_pStyle = - L"html,address,blockquote,body,dd,div,dl,dt,fieldset,form,frame,frameset," - L"h1,h2,h3,h4,h5,h6,noframes,ol,p,ul,center,dir,hr,menu,pre{display:" - L"block}" - L"li{display:list-item}head{display:none}table{display:table}tr{display:" - L"table-row}thead{display:table-header-group}tbody{display:table-row-" - L"group}tfoot{display:table-footer-group}" - L"col{display:table-column}colgroup{display:table-column-group}td,th{" - L"display:table-cell}caption{display:table-caption}th{font-weight:bolder;" - L"text-align:center}caption{text-align:center}" - L"body{margin:0}h1{font-size:2em;margin:.67em " - L"0}h2{font-size:1.5em;margin:.75em 0}h3{font-size:1.17em;margin:.83em " - L"0}h4,p,blockquote,ul,fieldset,form,ol,dl,dir,menu{margin:1.12em 0}" - L"h5{font-size:.83em;margin:1.5em 0}h6{font-size:.75em;margin:1.67em " - L"0}h1,h2,h3,h4,h5,h6,b,strong{font-weight:bolder}blockquote{margin-left:" - L"40px;margin-right:40px}i,cite,em,var,address{font-style:italic}" - L"pre,tt,code,kbd,samp{font-family:monospace}pre{white-space:pre}button," - L"textarea,input,select{display:inline-block}big{font-size:1.17em}small," - L"sub,sup{font-size:.83em}sub{vertical-align:sub}" - L"sup{vertical-align:super}table{border-spacing:2px}thead,tbody,tfoot{" - L"vertical-align:middle}td,th,tr{vertical-align:inherit}s,strike,del{" - L"text-decoration:line-through}hr{border:1px inset silver}" - L"ol,ul,dir,menu,dd{margin-left:40px}ol{list-style-type:decimal}ol ul,ul " - L"ol,ul ul,ol " - L"ol{margin-top:0;margin-bottom:0}u,ins{text-decoration:underline}center{" - L"text-align:center}" - L"ruby{display:ruby}rt{display:ruby-text;font-size:.5em}rb{display:ruby-" - L"base}rbc{display:ruby-base-group}rtc{display:ruby-text-group}" - L"q:before{content:open-quote}q:after{content:close-quote}" - L"rp{display:none}"; - return IFDE_CSSStyleSheet::LoadFromBuffer( - CFX_WideString(), s_pStyle, FXSYS_wcslen(s_pStyle), FX_CODEPAGE_UTF8); -} - -IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadFromStream( - const CFX_WideString& szUrl, - IFX_Stream* pStream, - FX_WORD wCodePage, - FX_DWORD dwMediaList) { - CFDE_CSSStyleSheet* pStyleSheet = new CFDE_CSSStyleSheet(dwMediaList); - if (!pStyleSheet->LoadFromStream(szUrl, pStream, wCodePage)) { - pStyleSheet->Release(); - pStyleSheet = NULL; - } - return pStyleSheet; -} -IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadFromBuffer( - const CFX_WideString& szUrl, - const FX_WCHAR* pBuffer, - int32_t iBufSize, - FX_WORD wCodePage, - FX_DWORD dwMediaList) { - CFDE_CSSStyleSheet* pStyleSheet = new CFDE_CSSStyleSheet(dwMediaList); - if (!pStyleSheet->LoadFromBuffer(szUrl, pBuffer, iBufSize, wCodePage)) { - pStyleSheet->Release(); - pStyleSheet = NULL; - } - return pStyleSheet; -} -CFDE_CSSStyleSheet::CFDE_CSSStyleSheet(FX_DWORD dwMediaList) - : m_wCodePage(FX_CODEPAGE_UTF8), - m_wRefCount(1), - m_dwMediaList(dwMediaList), - m_pAllocator(NULL) { - FXSYS_assert(m_dwMediaList > 0); -} -CFDE_CSSStyleSheet::~CFDE_CSSStyleSheet() { - Reset(); -} -void CFDE_CSSStyleSheet::Reset() { - for (int32_t i = m_RuleArray.GetSize() - 1; i >= 0; --i) { - IFDE_CSSRule* pRule = m_RuleArray.GetAt(i); - switch (pRule->GetType()) { - case FDE_CSSRULETYPE_Style: - ((CFDE_CSSStyleRule*)pRule)->~CFDE_CSSStyleRule(); - break; - case FDE_CSSRULETYPE_Media: - ((CFDE_CSSMediaRule*)pRule)->~CFDE_CSSMediaRule(); - break; - case FDE_CSSRULETYPE_FontFace: - ((CFDE_CSSFontFaceRule*)pRule)->~CFDE_CSSFontFaceRule(); - break; - default: - FXSYS_assert(FALSE); - break; - } - } - m_RuleArray.RemoveAll(); - m_Selectors.RemoveAll(); - m_StringCache.RemoveAll(); - if (m_pAllocator) { - m_pAllocator->Release(); - m_pAllocator = NULL; - } -} -FX_DWORD CFDE_CSSStyleSheet::AddRef() { - return ++m_wRefCount; -} -FX_DWORD CFDE_CSSStyleSheet::Release() { - FX_DWORD dwRefCount = --m_wRefCount; - if (dwRefCount == 0) { - delete this; - } - return dwRefCount; -} -int32_t CFDE_CSSStyleSheet::CountRules() const { - return m_RuleArray.GetSize(); -} -IFDE_CSSRule* CFDE_CSSStyleSheet::GetRule(int32_t index) { - return m_RuleArray.GetAt(index); -} -FX_BOOL CFDE_CSSStyleSheet::LoadFromStream(const CFX_WideString& szUrl, - IFX_Stream* pStream, - FX_WORD wCodePage) { - FXSYS_assert(pStream != NULL); - IFDE_CSSSyntaxParser* pSyntax = IFDE_CSSSyntaxParser::Create(); - if (pSyntax == NULL) { - return FALSE; - } - if (pStream->GetCodePage() != wCodePage) { - pStream->SetCodePage(wCodePage); - } - FX_BOOL bRet = pSyntax->Init(pStream, 4096) && LoadFromSyntax(pSyntax); - pSyntax->Release(); - m_wCodePage = wCodePage; - m_szUrl = szUrl; - return bRet; -} -FX_BOOL CFDE_CSSStyleSheet::LoadFromBuffer(const CFX_WideString& szUrl, - const FX_WCHAR* pBuffer, - int32_t iBufSize, - FX_WORD wCodePage) { - FXSYS_assert(pBuffer != NULL && iBufSize > 0); - IFDE_CSSSyntaxParser* pSyntax = IFDE_CSSSyntaxParser::Create(); - if (pSyntax == NULL) { - return FALSE; - } - FX_BOOL bRet = pSyntax->Init(pBuffer, iBufSize) && LoadFromSyntax(pSyntax); - pSyntax->Release(); - m_wCodePage = wCodePage; - m_szUrl = szUrl; - return bRet; -} -FX_BOOL CFDE_CSSStyleSheet::LoadFromSyntax(IFDE_CSSSyntaxParser* pSyntax) { - Reset(); - m_pAllocator = FX_CreateAllocator(FX_ALLOCTYPE_Static, 1024, 0); - if (m_pAllocator == NULL) { - return FALSE; - } - FDE_CSSSYNTAXSTATUS eStatus; - do { - switch (eStatus = pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_StyleRule: - eStatus = LoadStyleRule(pSyntax, m_RuleArray); - break; - case FDE_CSSSYNTAXSTATUS_MediaRule: - eStatus = LoadMediaRule(pSyntax); - break; - case FDE_CSSSYNTAXSTATUS_FontFaceRule: - eStatus = LoadFontFaceRule(pSyntax, m_RuleArray); - break; - case FDE_CSSSYNTAXSTATUS_ImportRule: - eStatus = LoadImportRule(pSyntax); - break; - case FDE_CSSSYNTAXSTATUS_PageRule: - eStatus = LoadPageRule(pSyntax); - break; - default: - break; - } - } while (eStatus >= FDE_CSSSYNTAXSTATUS_None); - m_Selectors.RemoveAll(); - m_StringCache.RemoveAll(); - return eStatus != FDE_CSSSYNTAXSTATUS_Error; -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadMediaRule( - IFDE_CSSSyntaxParser* pSyntax) { - FX_DWORD dwMediaList = 0; - CFDE_CSSMediaRule* pMediaRule = NULL; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_MediaType: { - int32_t iLen; - const FX_WCHAR* psz = pSyntax->GetCurrentString(iLen); - FDE_LPCCSSMEDIATYPETABLE pMediaType = - FDE_GetCSSMediaTypeByName(psz, iLen); - if (pMediaType != NULL) { - dwMediaList |= pMediaType->wValue; - } - } break; - case FDE_CSSSYNTAXSTATUS_StyleRule: - if (pMediaRule == NULL) { - SkipRuleSet(pSyntax); - } else { - FDE_CSSSYNTAXSTATUS eStatus = - LoadStyleRule(pSyntax, pMediaRule->GetArray()); - if (eStatus < FDE_CSSSYNTAXSTATUS_None) { - return eStatus; - } - } - break; - case FDE_CSSSYNTAXSTATUS_DeclOpen: - if ((dwMediaList & m_dwMediaList) > 0 && pMediaRule == NULL) { - pMediaRule = - FXTARGET_NewWith(m_pAllocator) CFDE_CSSMediaRule(dwMediaList); - m_RuleArray.Add(pMediaRule); - } - break; - case FDE_CSSSYNTAXSTATUS_DeclClose: - return FDE_CSSSYNTAXSTATUS_None; - FDE_CSSSWITCHDEFAULTS(); - } - } -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadStyleRule( - IFDE_CSSSyntaxParser* pSyntax, - CFDE_CSSRuleArray& ruleArray) { - m_Selectors.RemoveAt(0, m_Selectors.GetSize()); - CFDE_CSSStyleRule* pStyleRule = NULL; - const FX_WCHAR* pszValue = NULL; - int32_t iValueLen = 0; - FDE_CSSPROPERTYARGS propertyArgs; - propertyArgs.pStaticStore = m_pAllocator; - propertyArgs.pStringCache = &m_StringCache; - propertyArgs.pProperty = NULL; - CFX_WideString wsName; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_Selector: { - pszValue = pSyntax->GetCurrentString(iValueLen); - IFDE_CSSSelector* pSelector = - CFDE_CSSSelector::FromString(m_pAllocator, pszValue, iValueLen); - if (pSelector != NULL) { - m_Selectors.Add(pSelector); - } - } break; - case FDE_CSSSYNTAXSTATUS_PropertyName: - pszValue = pSyntax->GetCurrentString(iValueLen); - propertyArgs.pProperty = FDE_GetCSSPropertyByName(pszValue, iValueLen); - if (propertyArgs.pProperty == NULL) { - wsName = CFX_WideStringC(pszValue, iValueLen); - } - break; - case FDE_CSSSYNTAXSTATUS_PropertyValue: - if (propertyArgs.pProperty != NULL) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pStyleRule->GetDeclImp().AddProperty(&propertyArgs, pszValue, - iValueLen); - } - } else if (iValueLen > 0) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pStyleRule->GetDeclImp().AddProperty( - &propertyArgs, wsName, wsName.GetLength(), pszValue, iValueLen); - } - } - break; - case FDE_CSSSYNTAXSTATUS_DeclOpen: - if (pStyleRule == NULL && m_Selectors.GetSize() > 0) { - pStyleRule = FXTARGET_NewWith(m_pAllocator) CFDE_CSSStyleRule; - pStyleRule->SetSelector(m_pAllocator, m_Selectors); - ruleArray.Add(pStyleRule); - } else { - SkipRuleSet(pSyntax); - return FDE_CSSSYNTAXSTATUS_None; - } - break; - case FDE_CSSSYNTAXSTATUS_DeclClose: - if (pStyleRule != NULL && - pStyleRule->GetDeclImp().GetStartPosition() == NULL) { - pStyleRule->~CFDE_CSSStyleRule(); - ruleArray.RemoveLast(1); - } - return FDE_CSSSYNTAXSTATUS_None; - FDE_CSSSWITCHDEFAULTS(); - } - } -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadFontFaceRule( - IFDE_CSSSyntaxParser* pSyntax, - CFDE_CSSRuleArray& ruleArray) { - CFDE_CSSFontFaceRule* pFontFaceRule = NULL; - const FX_WCHAR* pszValue = NULL; - int32_t iValueLen = 0; - FDE_CSSPROPERTYARGS propertyArgs; - propertyArgs.pStaticStore = m_pAllocator; - propertyArgs.pStringCache = &m_StringCache; - propertyArgs.pProperty = NULL; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_PropertyName: - pszValue = pSyntax->GetCurrentString(iValueLen); - propertyArgs.pProperty = FDE_GetCSSPropertyByName(pszValue, iValueLen); - break; - case FDE_CSSSYNTAXSTATUS_PropertyValue: - if (propertyArgs.pProperty != NULL) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pFontFaceRule->GetDeclImp().AddProperty(&propertyArgs, pszValue, - iValueLen); - } - } - break; - case FDE_CSSSYNTAXSTATUS_DeclOpen: - if (pFontFaceRule == NULL) { - pFontFaceRule = FXTARGET_NewWith(m_pAllocator) CFDE_CSSFontFaceRule; - ruleArray.Add(pFontFaceRule); - } - break; - case FDE_CSSSYNTAXSTATUS_DeclClose: - return FDE_CSSSYNTAXSTATUS_None; - FDE_CSSSWITCHDEFAULTS(); - } - } - return FDE_CSSSYNTAXSTATUS_None; -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadImportRule( - IFDE_CSSSyntaxParser* pSyntax) { - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_ImportClose: - return FDE_CSSSYNTAXSTATUS_None; - case FDE_CSSSYNTAXSTATUS_URI: - break; - FDE_CSSSWITCHDEFAULTS(); - } - } -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadPageRule( - IFDE_CSSSyntaxParser* pSyntax) { - return SkipRuleSet(pSyntax); -} -FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::SkipRuleSet( - IFDE_CSSSyntaxParser* pSyntax) { - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSYNTAXSTATUS_Selector: - case FDE_CSSSYNTAXSTATUS_DeclOpen: - case FDE_CSSSYNTAXSTATUS_PropertyName: - case FDE_CSSSYNTAXSTATUS_PropertyValue: - break; - case FDE_CSSSYNTAXSTATUS_DeclClose: - return FDE_CSSSYNTAXSTATUS_None; - FDE_CSSSWITCHDEFAULTS(); - } - } - return FDE_CSSSYNTAXSTATUS_None; -} -void CFDE_CSSStyleRule::SetSelector(IFX_MEMAllocator* pStaticStore, - const CFDE_CSSSelectorArray& list) { - FXSYS_assert(m_ppSelector == NULL); - m_iSelectors = list.GetSize(); - m_ppSelector = (IFDE_CSSSelector**)pStaticStore->Alloc( - m_iSelectors * sizeof(IFDE_CSSSelector*)); - for (int32_t i = 0; i < m_iSelectors; ++i) { - m_ppSelector[i] = list.GetAt(i); - } -} -CFDE_CSSMediaRule::~CFDE_CSSMediaRule() { - for (int32_t i = m_RuleArray.GetSize() - 1; i >= 0; --i) { - IFDE_CSSRule* pRule = m_RuleArray.GetAt(i); - switch (pRule->GetType()) { - case FDE_CSSRULETYPE_Style: - ((CFDE_CSSStyleRule*)pRule)->~CFDE_CSSStyleRule(); - break; - default: - FXSYS_assert(FALSE); - break; - } - } -} -inline FX_BOOL FDE_IsCSSChar(FX_WCHAR wch) { - return (wch >= 'a' && wch <= 'z') || (wch >= 'A' && wch <= 'Z'); -} -int32_t FDE_GetCSSPersudoLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) { - FXSYS_assert(*psz == ':'); - const FX_WCHAR* pStart = psz; - while (psz < pEnd) { - FX_WCHAR wch = *psz; - if (FDE_IsCSSChar(wch) || wch == ':') { - ++psz; - } else { - break; - } - } - return psz - pStart; -} -int32_t FDE_GetCSSNameLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) { - const FX_WCHAR* pStart = psz; - while (psz < pEnd) { - FX_WCHAR wch = *psz; - if (FDE_IsCSSChar(wch) || (wch >= '0' && wch <= '9') || wch == '_' || - wch == '-') { - ++psz; - } else { - break; - } - } - return psz - pStart; -} -IFDE_CSSSelector* CFDE_CSSSelector::FromString(IFX_MEMAllocator* pStaticStore, - const FX_WCHAR* psz, - int32_t iLen) { - FXSYS_assert(pStaticStore != NULL && psz != NULL && iLen > 0); - const FX_WCHAR* pStart = psz; - const FX_WCHAR* pEnd = psz + iLen; - for (; psz < pEnd; ++psz) { - switch (*psz) { - case '>': - case '[': - case '+': - return NULL; - } - } - CFDE_CSSSelector *pFirst = NULL, *pLast = NULL; - CFDE_CSSSelector *pPersudoFirst = NULL, *pPersudoLast = NULL; - for (psz = pStart; psz < pEnd;) { - FX_WCHAR wch = *psz; - if (wch == '.' || wch == '#') { - if (psz == pStart || psz[-1] == ' ') { - CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore) - CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Element, L"*", 1, TRUE); - if (p == NULL) { - return NULL; - } - if (pFirst != NULL) { - pFirst->SetType(FDE_CSSSELECTORTYPE_Descendant); - p->SetNext(pFirst); - } - pFirst = pLast = p; - } - FXSYS_assert(pLast != NULL); - int32_t iNameLen = FDE_GetCSSNameLen(++psz, pEnd); - if (iNameLen == 0) { - return NULL; - } - FDE_CSSSELECTORTYPE eType = - wch == '.' ? FDE_CSSSELECTORTYPE_Class : FDE_CSSSELECTORTYPE_ID; - CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore) - CFDE_CSSSelector(eType, psz, iNameLen, FALSE); - if (p == NULL) { - return NULL; - } - p->SetNext(pLast->GetNextSelector()); - pLast->SetNext(p); - pLast = p; - psz += iNameLen; - } else if (FDE_IsCSSChar(wch) || wch == '*') { - int32_t iNameLen = wch == '*' ? 1 : FDE_GetCSSNameLen(psz, pEnd); - if (iNameLen == 0) { - return NULL; - } - CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore) - CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Element, psz, iNameLen, TRUE); - if (p == NULL) { - return NULL; - } - if (pFirst == NULL) { - pFirst = pLast = p; - } else { - pFirst->SetType(FDE_CSSSELECTORTYPE_Descendant); - p->SetNext(pFirst); - pFirst = pLast = p; - } - psz += iNameLen; - } else if (wch == ':') { - int32_t iNameLen = FDE_GetCSSPersudoLen(psz, pEnd); - if (iNameLen == 0) { - return NULL; - } - CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore) - CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Persudo, psz, iNameLen, TRUE); - if (p == NULL) { - return NULL; - } - if (pPersudoFirst == NULL) { - pPersudoFirst = pPersudoLast = p; - } else { - pPersudoLast->SetNext(p); - pPersudoLast = p; - } - psz += iNameLen; - } else if (wch == ' ') { - psz++; - } else { - return NULL; - } - } - if (pPersudoFirst == NULL) { - return pFirst; - } else { - pPersudoLast->SetNext(pFirst); - return pPersudoFirst; - } -} |