Remove try/catch block

fpdfsdk/src/fpdftext.cpp

 // 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 "../include/fsdk_define.h"
 #include "../include/fpdftext.h"
 
 #ifdef _WIN32
 #include <tchar.h>
 #endif
 
         // jabdelmalek: commented out to build on Linux.  Not used.
         // extern HANDLE g_hModule;
 
 DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page)
 {
         if (!page) return NULL;
         IPDF_TextPage* textpage=NULL;
-        try
-        {
-                CPDF_ViewerPreferences viewRef(((CPDF_Page*)page)->m_pDocument);
-                textpage=IPDF_TextPage::CreateTextPage((CPDF_Page*)page,viewRef.IsDirectionR2L());
-                textpage->ParseTextPage();
-        }
-        catch (...)
-        {
-                if (textpage)
-                        delete textpage;
-                return NULL;
-        }
+        CPDF_ViewerPreferences viewRef(((CPDF_Page*)page)->m_pDocument);
+        textpage=IPDF_TextPage::CreateTextPage((CPDF_Page*)page,viewRef.IsDirectionR2L());
+        textpage->ParseTextPage();
         return textpage;
 }
 DLLEXPORT void STDCALL FPDFText_ClosePage(FPDF_TEXTPAGE text_page)
 {
         if (text_page){
                 IPDF_TextPage* textpage=(IPDF_TextPage*)text_page;
                 delete textpage;
                 text_page=NULL;
         }
 }
@@ skipping 109 matching lines @@
         return size;
                 
 }
 
 //Search
 //-1 for end
 DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page,FPDF_WIDESTRING findwhat,unsigned long flags,int start_index)
 {
         if (!text_page) return NULL;
         IPDF_TextPageFind* textpageFind=NULL;
-        try
-        {
-                textpageFind=IPDF_TextPageFind::CreatePageFind((IPDF_TextPage*)text_page);
-                FX_STRSIZE len = CFX_WideString::WStringLength(findwhat);
-                textpageFind->FindFirst(CFX_WideString::FromUTF16LE(findwhat, len),flags,start_index);
-        }
-        catch (...)
-        {
-                if (textpageFind)
-                        delete textpageFind;
-                return NULL;            
-        }
+        textpageFind=IPDF_TextPageFind::CreatePageFind((IPDF_TextPage*)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;
         return  textpageFind->FindNext();
 }
 DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindPrev(FPDF_SCHHANDLE handle)
 {
@@ skipping 19 matching lines @@
         IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle;
         delete  textpageFind;
         handle=NULL;
 }
 
 //web link
 DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page)
 {
         if (!text_page) return NULL;
         IPDF_LinkExtract* pageLink=NULL;
-        try
-        {
-                pageLink=IPDF_LinkExtract::CreateLinkExtract();
-                pageLink->ExtractLinks((IPDF_TextPage*)text_page);
-        }
-        catch (...)
-        {
-                if (pageLink)
-                        delete pageLink;
-                return NULL;
-        }
+        pageLink=IPDF_LinkExtract::CreateLinkExtract();
+        pageLink->ExtractLinks((IPDF_TextPage*)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;
         return  pageLink->CountLinks();
 }
 DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page,int link_index, unsigned short* buffer,int buflen)
 {
@@ skipping 36 matching lines @@
         *bottom=rect.bottom;
 }
 DLLEXPORT void  STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page)
 {
         if (!link_page) return;
         IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page;
         delete pageLink;
         pageLink =NULL;
 }