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-rw-r--r--fpdfsdk/src/fpdfdoc.cpp226
1 files changed, 116 insertions, 110 deletions
diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index 19ca06ca27..ab2351f9d8 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -7,118 +7,122 @@
#include "../include/fsdk_define.h"
#include "../include/fpdfdoc.h"
-static int this_module = 0;
+static int THISMODULE = 0;
-static CPDF_Bookmark FindBookmark(CPDF_BookmarkTree& tree, CPDF_Bookmark This, const CFX_WideString& title)
+static CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree, CPDF_Bookmark bookmark, const CFX_WideString& title)
{
- if (This != NULL) {
+ if (bookmark && bookmark.GetTitle().CompareNoCase(title) == 0) {
// First check this item
- CFX_WideString this_title = This.GetTitle();
- if (this_title.CompareNoCase(title) == 0)
- return This;
+ return bookmark;
}
// go into children items
- CPDF_Bookmark Child = tree.GetFirstChild(This);
- while (Child != NULL) {
+ CPDF_Bookmark child = tree.GetFirstChild(bookmark);
+ while (child) {
// check if this item
- CPDF_Bookmark Found = FindBookmark(tree, Child, title);
- if (Found) return Found;
- Child = tree.GetNextSibling(Child);
+ CPDF_Bookmark found = FindBookmark(tree, child, title);
+ if (found)
+ return found;
+ child = tree.GetNextSibling(child);
}
- return NULL;
+ return CPDF_Bookmark();
}
DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title)
{
- if (document == NULL) return NULL;
- if (title == NULL || title[0] == 0) return NULL;
-
+ if (!document)
+ return NULL;
+ if (!title || title[0] == 0)
+ return NULL;
CPDF_Document* pDoc = (CPDF_Document*)document;
CPDF_BookmarkTree tree(pDoc);
-
FX_STRSIZE len = CFX_WideString::WStringLength(title);
- CFX_WideString wstr = CFX_WideString::FromUTF16LE(title, len);
- return FindBookmark(tree, NULL, wstr);
+ CFX_WideString encodedTitle = CFX_WideString::FromUTF16LE(title, len);
+ return FindBookmark(tree, CPDF_Bookmark(), encodedTitle).GetDict();
}
-DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark)
+DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
{
- if (document == NULL) return NULL;
- if (bookmark == NULL) return NULL;
-
- CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;
+ if (!document)
+ return NULL;
+ if (!pDict)
+ return NULL;
+ CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
CPDF_Document* pDoc = (CPDF_Document*)document;
- CPDF_Dest dest = Bookmark.GetDest(pDoc);
- if (dest != NULL) return dest;
-
+ CPDF_Dest dest = bookmark.GetDest(pDoc);
+ if (dest)
+ return dest;
// If this bookmark is not directly associated with a dest, we try to get action
- CPDF_Action Action = Bookmark.GetAction();
- if (Action == NULL) return NULL;
- return Action.GetDest(pDoc);
+ CPDF_Action action = bookmark.GetAction();
+ if (!action)
+ return NULL;
+ return action.GetDest(pDoc);
}
-DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK bookmark)
+DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK pDict)
{
- if (bookmark == NULL) return NULL;
-
- CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;
- return Bookmark.GetAction();
+ if (!pDict)
+ return NULL;
+ CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
+ return bookmark.GetAction();
}
-DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION action)
+DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION pDict)
{
- if (action == NULL) return 0;
-
- CPDF_Action Action = (CPDF_Dictionary*)action;
- CPDF_Action::ActionType type = Action.GetType();
+ if (!pDict)
+ return 0;
+ CPDF_Action action = (CPDF_Dictionary*)pDict;
+ CPDF_Action::ActionType type = action.GetType();
switch (type) {
- case CPDF_Action::GoTo:
- return PDFACTION_GOTO;
- case CPDF_Action::GoToR:
- return PDFACTION_REMOTEGOTO;
- case CPDF_Action::URI:
- return PDFACTION_URI;
- case CPDF_Action::Launch:
- return PDFACTION_LAUNCH;
- default:
- return PDFACTION_UNSUPPORTED;
+ case CPDF_Action::GoTo:
+ return PDFACTION_GOTO;
+ case CPDF_Action::GoToR:
+ return PDFACTION_REMOTEGOTO;
+ case CPDF_Action::URI:
+ return PDFACTION_URI;
+ case CPDF_Action::Launch:
+ return PDFACTION_LAUNCH;
+ default:
+ return PDFACTION_UNSUPPORTED;
}
return PDFACTION_UNSUPPORTED;
}
-DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION action)
+DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION pDict)
{
- if (document == NULL) return NULL;
- if (action == NULL) return NULL;
+ if (!document)
+ return NULL;
+ if (!pDict)
+ return NULL;
CPDF_Document* pDoc = (CPDF_Document*)document;
- CPDF_Action Action = (CPDF_Dictionary*)action;
-
- return Action.GetDest(pDoc);
+ CPDF_Action action = (CPDF_Dictionary*)pDict;
+ return action.GetDest(pDoc);
}
-DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION action,
+DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION pDict,
void* buffer, unsigned long buflen)
{
- if (document == NULL) return 0;
- if (action == NULL) return 0;
+ if (!document)
+ return 0;
+ if (!pDict)
+ return 0;
CPDF_Document* pDoc = (CPDF_Document*)document;
- CPDF_Action Action = (CPDF_Dictionary*)action;
-
- CFX_ByteString path = Action.GetURI(pDoc);
+ CPDF_Action action = (CPDF_Dictionary*)pDict;
+ CFX_ByteString path = action.GetURI(pDoc);
unsigned long len = path.GetLength() + 1;
if (buffer != NULL && buflen >= len)
FXSYS_memcpy(buffer, path.c_str(), len);
return len;
}
-DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest)
+DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST pDict)
{
- if (document == NULL) return 0;
- if (dest == NULL) return 0;
+ if (!document)
+ return 0;
+ if (!pDict)
+ return 0;
CPDF_Document* pDoc = (CPDF_Document*)document;
- CPDF_Dest Dest = (CPDF_Array*)dest;
-
- return Dest.GetPageIndex(pDoc);
+ CPDF_Dest dest = (CPDF_Array*)pDict;
+ return dest.GetPageIndex(pDoc);
}
static void ReleaseLinkList(FX_LPVOID data)
@@ -128,42 +132,44 @@ static void ReleaseLinkList(FX_LPVOID data)
DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y)
{
- if (page == NULL) return NULL;
+ if (!page)
+ return NULL;
CPDF_Page* pPage = (CPDF_Page*)page;
-
// Link list is stored with the document
CPDF_Document* pDoc = pPage->m_pDocument;
- CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&this_module);
- if (pLinkList == NULL) {
+ CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&THISMODULE);
+ if (!pLinkList) {
pLinkList = FX_NEW CPDF_LinkList(pDoc);
- pDoc->SetPrivateData(&this_module, pLinkList, ReleaseLinkList);
+ pDoc->SetPrivateData(&THISMODULE, pLinkList, ReleaseLinkList);
}
-
return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y);
}
-DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK link)
+DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK pDict)
{
- if (document == NULL) return NULL;
+ if (!document)
+ return NULL;
CPDF_Document* pDoc = (CPDF_Document*)document;
- if (link == NULL) return NULL;
- CPDF_Link Link = (CPDF_Dictionary*)link;
-
- FPDF_DEST dest = Link.GetDest(pDoc);
- if (dest) return dest;
+ if (!pDict)
+ return NULL;
+ CPDF_Link link = (CPDF_Dictionary*)pDict;
+ FPDF_DEST dest = link.GetDest(pDoc);
+ if (dest)
+ return dest;
// If this link is not directly associated with a dest, we try to get action
- CPDF_Action Action = Link.GetAction();
- if (Action == NULL) return NULL;
- return Action.GetDest(pDoc);
+ CPDF_Action action = link.GetAction();
+ if (!action)
+ return NULL;
+ return action.GetDest(pDoc);
}
-DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK link)
+DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK pDict)
{
- if (link == NULL) return NULL;
- CPDF_Link Link = (CPDF_Dictionary*)link;
-
- return Link.GetAction();
+ if (!pDict)
+ return NULL;
+ CPDF_Link link = (CPDF_Dictionary*)pDict;
+ return link.GetAction();
}
DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FPDF_LINK* linkAnnot)
@@ -171,15 +177,17 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FP
if(!page || !startPos || !linkAnnot)
return FALSE;
CPDF_Page* pPage = (CPDF_Page*)page;
- if(!pPage->m_pFormDict) return FALSE;
+ if(!pPage->m_pFormDict)
+ return FALSE;
CPDF_Array* pAnnots = pPage->m_pFormDict->GetArray("Annots");
- if(!pAnnots) return FALSE;
- for (int i = *startPos; i < (int)pAnnots->GetCount(); i ++) {
+ if(!pAnnots)
+ return FALSE;
+ for (int i = *startPos; i < (int)pAnnots->GetCount(); i++) {
CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i);
- if (pDict == NULL || pDict->GetType() != PDFOBJ_DICTIONARY) continue;
- if(pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link")))
- {
- *startPos = i+1;
+ if (!pDict || pDict->GetType() != PDFOBJ_DICTIONARY)
+ continue;
+ if(pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link"))) {
+ *startPos = i + 1;
*linkAnnot = (FPDF_LINK)pDict;
return TRUE;
}
@@ -206,7 +214,7 @@ DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot)
return 0;
CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));
- if (pArray == NULL)
+ if (!pArray)
return 0;
else
return pArray->GetCount() / 8;
@@ -219,8 +227,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quad
CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));
if (pArray) {
- if (0 > quadIndex || quadIndex >= (int)pArray->GetCount()/8 ||
- ((quadIndex*8+7) >= (int)pArray->GetCount())) return FALSE;
+ if (quadIndex < 0 || quadIndex >= (int)pArray->GetCount()/8 || ((quadIndex*8+7) >= (int)pArray->GetCount()))
+ return FALSE;
quadPoints->x1 = pArray->GetNumber(quadIndex*8);
quadPoints->y1 = pArray->GetNumber(quadIndex*8+1);
quadPoints->x2 = pArray->GetNumber(quadIndex*8+2);
@@ -234,27 +242,25 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quad
return FALSE;
}
-
DLLEXPORT unsigned long STDCALL FPDF_GetMetaText(FPDF_DOCUMENT doc, FPDF_BYTESTRING tag,
void* buffer, unsigned long buflen)
{
- if (doc == NULL || tag == NULL) return 0;
-
+ if (!doc || !tag)
+ return 0;
CPDF_Document* pDoc = (CPDF_Document*)doc;
// Get info dictionary
CPDF_Dictionary* pInfo = pDoc->GetInfo();
- if (pInfo == NULL) return 0;
-
+ if (!pInfo)
+ return 0;
CFX_WideString text = pInfo->GetUnicodeText(tag);
-
// Use UTF-16LE encoding
- CFX_ByteString bstr = text.UTF16LE_Encode();
- unsigned long len = bstr.GetLength();
- if (buffer != NULL && buflen >= len+2) {
- FXSYS_memcpy(buffer, bstr.c_str(), len);
+ CFX_ByteString encodedText = text.UTF16LE_Encode();
+ unsigned long len = encodedText.GetLength();
+ if (buffer && buflen >= len + 2) {
+ FXSYS_memcpy(buffer, encodedText.c_str(), len);
// use double zero as trailer
- ((FX_BYTE*)buffer)[len] = ((FX_BYTE*)buffer)[len+1] = 0;
+ ((FX_BYTE*)buffer)[len] = 0;
+ ((FX_BYTE*)buffer)[len + 1] = 0;
}
return len+2;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 16:42:38 +0000