diff options
Diffstat (limited to 'fpdfsdk/fpdftext.cpp')
| -rw-r--r-- | fpdfsdk/fpdftext.cpp | 121 |
1 files changed, 83 insertions, 38 deletions
diff --git a/fpdfsdk/fpdftext.cpp b/fpdfsdk/fpdftext.cpp index 0d0e86f12d..007e18274e 100644 --- a/fpdfsdk/fpdftext.cpp +++ b/fpdfsdk/fpdftext.cpp @@ -8,9 +8,9 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfdoc/include/fpdf_doc.h" -#include "core/fpdftext/include/ipdf_linkextract.h" -#include "core/fpdftext/include/ipdf_textpage.h" -#include "core/fpdftext/include/ipdf_textpagefind.h" +#include "core/fpdftext/include/cpdf_linkextract.h" +#include "core/fpdftext/include/cpdf_textpage.h" +#include "core/fpdftext/include/cpdf_textpagefind.h" #include "fpdfsdk/include/fsdk_define.h" #ifdef PDF_ENABLE_XFA @@ -22,10 +22,27 @@ #include <tchar.h> #endif +namespace { + +CPDF_TextPage* CPDFTextPageFromFPDFTextPage(FPDF_TEXTPAGE text_page) { + return static_cast<CPDF_TextPage*>(text_page); +} + +CPDF_TextPageFind* CPDFTextPageFindFromFPDFSchHandle(FPDF_SCHHANDLE handle) { + return static_cast<CPDF_TextPageFind*>(handle); +} + +CPDF_LinkExtract* CPDFLinkExtractFromFPDFPageLink(FPDF_PAGELINK link) { + return static_cast<CPDF_LinkExtract*>(link); +} + +} // namespace + DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page) { CPDF_Page* pPDFPage = CPDFPageFromFPDFPage(page); if (!pPDFPage) return nullptr; + #ifdef PDF_ENABLE_XFA CPDFXFA_Page* pPage = (CPDFXFA_Page*)page; CPDFXFA_Document* pDoc = pPage->GetDocument(); @@ -33,18 +50,22 @@ DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page) { #else // PDF_ENABLE_XFA CPDF_ViewerPreferences viewRef(pPDFPage->m_pDocument); #endif // PDF_ENABLE_XFA - IPDF_TextPage* textpage = - IPDF_TextPage::CreateTextPage(pPDFPage, viewRef.IsDirectionR2L()); + + CPDF_TextPage* textpage = + new CPDF_TextPage(pPDFPage, viewRef.IsDirectionR2L()); textpage->ParseTextPage(); return textpage; } + DLLEXPORT void STDCALL FPDFText_ClosePage(FPDF_TEXTPAGE text_page) { - delete (IPDF_TextPage*)text_page; + delete CPDFTextPageFromFPDFTextPage(text_page); } + DLLEXPORT int STDCALL FPDFText_CountChars(FPDF_TEXTPAGE text_page) { if (!text_page) return -1; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); return textpage->CountChars(); } @@ -52,8 +73,8 @@ DLLEXPORT unsigned int STDCALL FPDFText_GetUnicode(FPDF_TEXTPAGE text_page, int index) { if (!text_page) return 0; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); if (index < 0 || index >= textpage->CountChars()) return 0; @@ -66,7 +87,7 @@ DLLEXPORT double STDCALL FPDFText_GetFontSize(FPDF_TEXTPAGE text_page, int index) { if (!text_page) return 0; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); if (index < 0 || index >= textpage->CountChars()) return 0; @@ -84,7 +105,7 @@ DLLEXPORT void STDCALL FPDFText_GetCharBox(FPDF_TEXTPAGE text_page, double* top) { if (!text_page) return; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); if (index < 0 || index >= textpage->CountChars()) return; @@ -104,7 +125,8 @@ DLLEXPORT int STDCALL FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page, double yTolerance) { if (!text_page) return -3; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); return textpage->GetIndexAtPos((FX_FLOAT)x, (FX_FLOAT)y, (FX_FLOAT)xTolerance, (FX_FLOAT)yTolerance); } @@ -115,8 +137,8 @@ DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page, unsigned short* result) { if (!text_page) return 0; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); if (start >= textpage->CountChars()) return 0; @@ -137,9 +159,11 @@ DLLEXPORT int STDCALL FPDFText_CountRects(FPDF_TEXTPAGE text_page, int count) { if (!text_page) return 0; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); return textpage->CountRects(start, count); } + DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page, int rect_index, double* left, @@ -148,7 +172,8 @@ DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page, double* bottom) { if (!text_page) return; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); CFX_FloatRect rect; textpage->GetRect(rect_index, rect.left, rect.top, rect.right, rect.bottom); *left = rect.left; @@ -166,14 +191,14 @@ DLLEXPORT int STDCALL FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page, int buflen) { if (!text_page) return 0; - IPDF_TextPage* textpage = (IPDF_TextPage*)text_page; + + CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page); CFX_FloatRect rect((FX_FLOAT)left, (FX_FLOAT)bottom, (FX_FLOAT)right, (FX_FLOAT)top); CFX_WideString str = textpage->GetTextByRect(rect); - if (buflen <= 0 || !buffer) { + if (buflen <= 0 || !buffer) return str.GetLength(); - } CFX_ByteString cbUTF16Str = str.UTF16LE_Encode(); int len = cbUTF16Str.GetLength() / sizeof(unsigned short); @@ -192,91 +217,110 @@ DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page, unsigned long flags, int start_index) { if (!text_page) - return NULL; - IPDF_TextPageFind* textpageFind = NULL; - textpageFind = IPDF_TextPageFind::CreatePageFind((IPDF_TextPage*)text_page); + return nullptr; + + CPDF_TextPageFind* textpageFind = + new CPDF_TextPageFind(CPDFTextPageFromFPDFTextPage(text_page)); FX_STRSIZE len = CFX_WideString::WStringLength(findwhat); textpageFind->FindFirst(CFX_WideString::FromUTF16LE(findwhat, len), flags, start_index); return textpageFind; } + DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindNext(FPDF_SCHHANDLE handle) { if (!handle) return FALSE; - IPDF_TextPageFind* textpageFind = (IPDF_TextPageFind*)handle; + + CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); return textpageFind->FindNext(); } + DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindPrev(FPDF_SCHHANDLE handle) { if (!handle) return FALSE; - IPDF_TextPageFind* textpageFind = (IPDF_TextPageFind*)handle; + + CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); return textpageFind->FindPrev(); } + DLLEXPORT int STDCALL FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle) { if (!handle) return 0; - IPDF_TextPageFind* textpageFind = (IPDF_TextPageFind*)handle; + + CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); return textpageFind->GetCurOrder(); } + DLLEXPORT int STDCALL FPDFText_GetSchCount(FPDF_SCHHANDLE handle) { if (!handle) return 0; - IPDF_TextPageFind* textpageFind = (IPDF_TextPageFind*)handle; + + CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); return textpageFind->GetMatchedCount(); } + DLLEXPORT void STDCALL FPDFText_FindClose(FPDF_SCHHANDLE handle) { if (!handle) return; - IPDF_TextPageFind* textpageFind = (IPDF_TextPageFind*)handle; + + CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); delete textpageFind; - handle = NULL; + handle = nullptr; } // web link DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) { if (!text_page) - return NULL; - IPDF_LinkExtract* pageLink = NULL; - pageLink = IPDF_LinkExtract::CreateLinkExtract(); - pageLink->ExtractLinks((IPDF_TextPage*)text_page); + return nullptr; + + CPDF_LinkExtract* pageLink = new CPDF_LinkExtract; + pageLink->ExtractLinks(CPDFTextPageFromFPDFTextPage(text_page)); return pageLink; } + DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) { if (!link_page) return 0; - IPDF_LinkExtract* pageLink = (IPDF_LinkExtract*)link_page; + + CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); return pageLink->CountLinks(); } + DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page, int link_index, unsigned short* buffer, int buflen) { if (!link_page) return 0; - IPDF_LinkExtract* pageLink = (IPDF_LinkExtract*)link_page; + + CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); CFX_WideString url = pageLink->GetURL(link_index); CFX_ByteString cbUTF16URL = url.UTF16LE_Encode(); int len = cbUTF16URL.GetLength() / sizeof(unsigned short); if (!buffer || buflen <= 0) return len; + int size = len < buflen ? len : buflen; if (size > 0) { - FXSYS_memcpy(buffer, cbUTF16URL.GetBuffer(size * sizeof(unsigned short)), - size * sizeof(unsigned short)); - cbUTF16URL.ReleaseBuffer(size * sizeof(unsigned short)); + int buf_size = size * sizeof(unsigned short); + FXSYS_memcpy(buffer, cbUTF16URL.GetBuffer(buf_size), buf_size); + cbUTF16URL.ReleaseBuffer(buf_size); } return size; } + DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page, int link_index) { if (!link_page) return 0; - IPDF_LinkExtract* pageLink = (IPDF_LinkExtract*)link_page; + + CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); CFX_RectArray rectArray; pageLink->GetRects(link_index, rectArray); return rectArray.GetSize(); } + DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, int link_index, int rect_index, @@ -286,7 +330,8 @@ DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, double* bottom) { if (!link_page) return; - IPDF_LinkExtract* pageLink = (IPDF_LinkExtract*)link_page; + + CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); CFX_RectArray rectArray; pageLink->GetRects(link_index, rectArray); if (rect_index >= 0 && rect_index < rectArray.GetSize()) { @@ -298,5 +343,5 @@ DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, } } DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) { - delete (IPDF_LinkExtract*)link_page; + delete CPDFLinkExtractFromFPDFPageLink(link_page); } |