Revert "Add a build target and a proper export header for shared library builds."

This reverts commit 00334675c18a0203f313cceb670c970a77280f49.

Reason for revert: Breaking the deps roller - https://chromium-review.googlesource.com/c/609307

Original change's description:
> Add a build target and a proper export header for shared library builds.
> 
> This CL adds support for Chromium's component build feature to pdfium.
> 
> The export header stub in fpdfview.h is expanded to match Chromium's
> export mechanisms and patterns (fixes pdfium:825).
> 
> A component/shared library build can be triggered by adding
> 
> is_component_build = true
> 
> as a gn argument. Please note that setting this will also affect some
> of pdfiums dependencies like v8, which will be build as components
> too.
> 
> Additionally, this CL provides a "pdf_source_set" template which
> dynamically enables the use of "source_set" when building a complete
> static library or a shared library to reduce build time.
> 
> When testing this it is recommended to only build the pdfium target as
> most of pdfiums test rely on non-public functions which aren't exported
> by the shared library.
> 
> Bug: pdfium:825,pdfium:826
> Change-Id: Icedc538ec535e11d1e53c4d5fabc8c064b275752
> Reviewed-on: https://pdfium-review.googlesource.com/8970
> Reviewed-by: dsinclair <dsinclair@chromium.org>
> Commit-Queue: dsinclair <dsinclair@chromium.org>

TBR=thestig@chromium.org,tsepez@chromium.org,brucedawson@chromium.org,dsinclair@google.com,dsinclair@chromium.org,licorn@gmail.com

Change-Id: Ib02af2298932481293f50d362ae87bfedf284821
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: pdfium:825, pdfium:826
Reviewed-on: https://pdfium-review.googlesource.com/10550
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>

1 files changed, 63 insertions, 67 deletions

diff --git a/fpdfsdk/fpdftext.cpp b/fpdfsdk/fpdftext.cpp
index 70acf54ec7..916233c56e 100644
--- a/fpdfsdk/fpdftext.cpp
+++ b/fpdfsdk/fpdftext.cpp
@@ -43,7 +43,7 @@ CPDF_LinkExtract* CPDFLinkExtractFromFPDFPageLink(FPDF_PAGELINK link) {
 
 }  // namespace
 
-FPDF_EXPORT FPDF_TEXTPAGE FPDF_CALLCONV FPDFText_LoadPage(FPDF_PAGE page) {
+DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page) {
   CPDF_Page* pPDFPage = CPDFPageFromFPDFPage(page);
   if (!pPDFPage)
     return nullptr;
@@ -63,11 +63,11 @@ FPDF_EXPORT FPDF_TEXTPAGE FPDF_CALLCONV FPDFText_LoadPage(FPDF_PAGE page) {
   return textpage;
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFText_ClosePage(FPDF_TEXTPAGE text_page) {
+DLLEXPORT void STDCALL FPDFText_ClosePage(FPDF_TEXTPAGE text_page) {
   delete CPDFTextPageFromFPDFTextPage(text_page);
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFText_CountChars(FPDF_TEXTPAGE text_page) {
+DLLEXPORT int STDCALL FPDFText_CountChars(FPDF_TEXTPAGE text_page) {
   if (!text_page)
     return -1;
 
@@ -75,8 +75,8 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_CountChars(FPDF_TEXTPAGE text_page) {
   return textpage->CountChars();
 }
 
-FPDF_EXPORT unsigned int FPDF_CALLCONV
-FPDFText_GetUnicode(FPDF_TEXTPAGE text_page, int index) {
+DLLEXPORT unsigned int STDCALL FPDFText_GetUnicode(FPDF_TEXTPAGE text_page,
+                                                   int index) {
   if (!text_page)
     return 0;
 
@@ -89,8 +89,8 @@ FPDFText_GetUnicode(FPDF_TEXTPAGE text_page, int index) {
   return charinfo.m_Unicode;
 }
 
-FPDF_EXPORT double FPDF_CALLCONV FPDFText_GetFontSize(FPDF_TEXTPAGE text_page,
-                                                      int index) {
+DLLEXPORT double STDCALL FPDFText_GetFontSize(FPDF_TEXTPAGE text_page,
+                                              int index) {
   if (!text_page)
     return 0;
   CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page);
@@ -103,12 +103,12 @@ FPDF_EXPORT double FPDF_CALLCONV FPDFText_GetFontSize(FPDF_TEXTPAGE text_page,
   return charinfo.m_FontSize;
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFText_GetCharBox(FPDF_TEXTPAGE text_page,
-                                                   int index,
-                                                   double* left,
-                                                   double* right,
-                                                   double* bottom,
-                                                   double* top) {
+DLLEXPORT void STDCALL FPDFText_GetCharBox(FPDF_TEXTPAGE text_page,
+                                           int index,
+                                           double* left,
+                                           double* right,
+                                           double* bottom,
+                                           double* top) {
   if (!text_page)
     return;
   CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page);
@@ -124,12 +124,11 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFText_GetCharBox(FPDF_TEXTPAGE text_page,
 }
 
 // select
-FPDF_EXPORT int FPDF_CALLCONV
-FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page,
-                           double x,
-                           double y,
-                           double xTolerance,
-                           double yTolerance) {
+DLLEXPORT int STDCALL FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page,
+                                                 double x,
+                                                 double y,
+                                                 double xTolerance,
+                                                 double yTolerance) {
   if (!text_page)
     return -3;
 
@@ -140,10 +139,10 @@ FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page,
                 static_cast<float>(yTolerance)));
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetText(FPDF_TEXTPAGE text_page,
-                                               int start,
-                                               int count,
-                                               unsigned short* result) {
+DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page,
+                                       int start,
+                                       int count,
+                                       unsigned short* result) {
   if (!text_page)
     return 0;
 
@@ -163,9 +162,9 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetText(FPDF_TEXTPAGE text_page,
   return cbUTF16str.GetLength() / sizeof(unsigned short);
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFText_CountRects(FPDF_TEXTPAGE text_page,
-                                                  int start,
-                                                  int count) {
+DLLEXPORT int STDCALL FPDFText_CountRects(FPDF_TEXTPAGE text_page,
+                                          int start,
+                                          int count) {
   if (!text_page)
     return 0;
 
@@ -173,12 +172,12 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_CountRects(FPDF_TEXTPAGE text_page,
   return textpage->CountRects(start, count);
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFText_GetRect(FPDF_TEXTPAGE text_page,
-                                                int rect_index,
-                                                double* left,
-                                                double* top,
-                                                double* right,
-                                                double* bottom) {
+DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page,
+                                        int rect_index,
+                                        double* left,
+                                        double* top,
+                                        double* right,
+                                        double* bottom) {
   if (!text_page)
     return;
 
@@ -191,13 +190,13 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFText_GetRect(FPDF_TEXTPAGE text_page,
   *bottom = rect.bottom;
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,
-                                                      double left,
-                                                      double top,
-                                                      double right,
-                                                      double bottom,
-                                                      unsigned short* buffer,
-                                                      int buflen) {
+DLLEXPORT int STDCALL FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,
+                                              double left,
+                                              double top,
+                                              double right,
+                                              double bottom,
+                                              unsigned short* buffer,
+                                              int buflen) {
   if (!text_page)
     return 0;
 
@@ -220,11 +219,10 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,
 
 // Search
 // -1 for end
-FPDF_EXPORT FPDF_SCHHANDLE FPDF_CALLCONV
-FPDFText_FindStart(FPDF_TEXTPAGE text_page,
-                   FPDF_WIDESTRING findwhat,
-                   unsigned long flags,
-                   int start_index) {
+DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page,
+                                                    FPDF_WIDESTRING findwhat,
+                                                    unsigned long flags,
+                                                    int start_index) {
   if (!text_page)
     return nullptr;
 
@@ -236,7 +234,7 @@ FPDFText_FindStart(FPDF_TEXTPAGE text_page,
   return textpageFind;
 }
 
-FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_FindNext(FPDF_SCHHANDLE handle) {
+DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindNext(FPDF_SCHHANDLE handle) {
   if (!handle)
     return false;
 
@@ -244,7 +242,7 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_FindNext(FPDF_SCHHANDLE handle) {
   return textpageFind->FindNext();
 }
 
-FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_FindPrev(FPDF_SCHHANDLE handle) {
+DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindPrev(FPDF_SCHHANDLE handle) {
   if (!handle)
     return false;
 
@@ -252,8 +250,7 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_FindPrev(FPDF_SCHHANDLE handle) {
   return textpageFind->FindPrev();
 }
 
-FPDF_EXPORT int FPDF_CALLCONV
-FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle) {
+DLLEXPORT int STDCALL FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle) {
   if (!handle)
     return 0;
 
@@ -261,7 +258,7 @@ FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle) {
   return textpageFind->GetCurOrder();
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetSchCount(FPDF_SCHHANDLE handle) {
+DLLEXPORT int STDCALL FPDFText_GetSchCount(FPDF_SCHHANDLE handle) {
   if (!handle)
     return 0;
 
@@ -269,7 +266,7 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetSchCount(FPDF_SCHHANDLE handle) {
   return textpageFind->GetMatchedCount();
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFText_FindClose(FPDF_SCHHANDLE handle) {
+DLLEXPORT void STDCALL FPDFText_FindClose(FPDF_SCHHANDLE handle) {
   if (!handle)
     return;
 
@@ -279,8 +276,7 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFText_FindClose(FPDF_SCHHANDLE handle) {
 }
 
 // web link
-FPDF_EXPORT FPDF_PAGELINK FPDF_CALLCONV
-FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) {
+DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) {
   if (!text_page)
     return nullptr;
 
@@ -290,7 +286,7 @@ FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) {
   return pageLink;
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) {
+DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) {
   if (!link_page)
     return 0;
 
@@ -298,10 +294,10 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) {
   return pdfium::base::checked_cast<int>(pageLink->CountLinks());
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFLink_GetURL(FPDF_PAGELINK link_page,
-                                              int link_index,
-                                              unsigned short* buffer,
-                                              int buflen) {
+DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page,
+                                      int link_index,
+                                      unsigned short* buffer,
+                                      int buflen) {
   CFX_WideString wsUrl(L"");
   if (link_page && link_index >= 0) {
     CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page);
@@ -320,8 +316,8 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFLink_GetURL(FPDF_PAGELINK link_page,
   return size;
 }
 
-FPDF_EXPORT int FPDF_CALLCONV FPDFLink_CountRects(FPDF_PAGELINK link_page,
-                                                  int link_index) {
+DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page,
+                                          int link_index) {
   if (!link_page || link_index < 0)
     return 0;
 
@@ -329,13 +325,13 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFLink_CountRects(FPDF_PAGELINK link_page,
   return pdfium::CollectionSize<int>(pageLink->GetRects(link_index));
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFLink_GetRect(FPDF_PAGELINK link_page,
-                                                int link_index,
-                                                int rect_index,
-                                                double* left,
-                                                double* top,
-                                                double* right,
-                                                double* bottom) {
+DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page,
+                                        int link_index,
+                                        int rect_index,
+                                        double* left,
+                                        double* top,
+                                        double* right,
+                                        double* bottom) {
   if (!link_page || link_index < 0 || rect_index < 0)
     return;
 
@@ -350,6 +346,6 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFLink_GetRect(FPDF_PAGELINK link_page,
   *bottom = rectArray[rect_index].bottom;
 }
 
-FPDF_EXPORT void FPDF_CALLCONV FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) {
+DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) {
   delete CPDFLinkExtractFromFPDFPageLink(link_page);
 }