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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "public/fpdf_text.h" | 7 #include "public/fpdf_text.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" | 9 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" |
10 #include "core/fpdfdoc/include/fpdf_doc.h" | 10 #include "core/fpdfdoc/include/fpdf_doc.h" |
11 #include "core/fpdftext/include/cpdf_linkextract.h" | 11 #include "core/fpdftext/include/cpdf_linkextract.h" |
12 #include "core/fpdftext/include/cpdf_textpage.h" | 12 #include "core/fpdftext/include/cpdf_textpage.h" |
13 #include "core/fpdftext/include/cpdf_textpagefind.h" | 13 #include "core/fpdftext/include/cpdf_textpagefind.h" |
14 #include "fpdfsdk/include/fsdk_define.h" | 14 #include "fpdfsdk/include/fsdk_define.h" |
| 15 #include "third_party/base/numerics/safe_conversions.h" |
15 | 16 |
16 #ifdef PDF_ENABLE_XFA | 17 #ifdef PDF_ENABLE_XFA |
17 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" | 18 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" |
18 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" | 19 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" |
19 #endif // PDF_ENABLE_XFA | 20 #endif // PDF_ENABLE_XFA |
20 | 21 |
21 #ifdef _WIN32 | 22 #ifdef _WIN32 |
22 #include <tchar.h> | 23 #include <tchar.h> |
23 #endif | 24 #endif |
24 | 25 |
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266 CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); | 267 CPDF_TextPageFind* textpageFind = CPDFTextPageFindFromFPDFSchHandle(handle); |
267 delete textpageFind; | 268 delete textpageFind; |
268 handle = nullptr; | 269 handle = nullptr; |
269 } | 270 } |
270 | 271 |
271 // web link | 272 // web link |
272 DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) { | 273 DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) { |
273 if (!text_page) | 274 if (!text_page) |
274 return nullptr; | 275 return nullptr; |
275 | 276 |
276 CPDF_LinkExtract* pageLink = new CPDF_LinkExtract; | 277 CPDF_LinkExtract* pageLink = |
277 pageLink->ExtractLinks(CPDFTextPageFromFPDFTextPage(text_page)); | 278 new CPDF_LinkExtract(CPDFTextPageFromFPDFTextPage(text_page)); |
| 279 pageLink->ExtractLinks(); |
278 return pageLink; | 280 return pageLink; |
279 } | 281 } |
280 | 282 |
281 DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) { | 283 DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) { |
282 if (!link_page) | 284 if (!link_page) |
283 return 0; | 285 return 0; |
284 | 286 |
285 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); | 287 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); |
286 return pageLink->CountLinks(); | 288 return pdfium::base::checked_cast<int>(pageLink->CountLinks()); |
287 } | 289 } |
288 | 290 |
289 DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page, | 291 DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page, |
290 int link_index, | 292 int link_index, |
291 unsigned short* buffer, | 293 unsigned short* buffer, |
292 int buflen) { | 294 int buflen) { |
293 if (!link_page) | 295 CFX_WideString wsUrl(L""); |
294 return 0; | 296 if (link_page && link_index >= 0) { |
| 297 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); |
| 298 wsUrl = pageLink->GetURL(link_index); |
| 299 } |
| 300 CFX_ByteString cbUTF16URL = wsUrl.UTF16LE_Encode(); |
| 301 int required = cbUTF16URL.GetLength() / sizeof(unsigned short); |
| 302 if (!buffer || buflen <= 0) |
| 303 return required; |
295 | 304 |
296 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); | 305 int size = std::min(required, buflen); |
297 CFX_WideString url = pageLink->GetURL(link_index); | |
298 | |
299 CFX_ByteString cbUTF16URL = url.UTF16LE_Encode(); | |
300 int len = cbUTF16URL.GetLength() / sizeof(unsigned short); | |
301 if (!buffer || buflen <= 0) | |
302 return len; | |
303 | |
304 int size = len < buflen ? len : buflen; | |
305 if (size > 0) { | 306 if (size > 0) { |
306 int buf_size = size * sizeof(unsigned short); | 307 int buf_size = size * sizeof(unsigned short); |
307 FXSYS_memcpy(buffer, cbUTF16URL.GetBuffer(buf_size), buf_size); | 308 FXSYS_memcpy(buffer, cbUTF16URL.GetBuffer(buf_size), buf_size); |
308 cbUTF16URL.ReleaseBuffer(buf_size); | |
309 } | 309 } |
310 return size; | 310 return size; |
311 } | 311 } |
312 | 312 |
313 DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page, | 313 DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page, |
314 int link_index) { | 314 int link_index) { |
315 if (!link_page) | 315 if (!link_page || link_index < 0) |
316 return 0; | 316 return 0; |
317 | 317 |
| 318 CFX_RectArray rects; |
318 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); | 319 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); |
319 CFX_RectArray rectArray; | 320 pageLink->GetRects(link_index, &rects); |
320 pageLink->GetRects(link_index, rectArray); | 321 return rects.GetSize(); |
321 return rectArray.GetSize(); | |
322 } | 322 } |
323 | 323 |
324 DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, | 324 DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, |
325 int link_index, | 325 int link_index, |
326 int rect_index, | 326 int rect_index, |
327 double* left, | 327 double* left, |
328 double* top, | 328 double* top, |
329 double* right, | 329 double* right, |
330 double* bottom) { | 330 double* bottom) { |
331 if (!link_page) | 331 if (!link_page || link_index < 0 || rect_index < 0) |
332 return; | 332 return; |
333 | 333 |
| 334 CFX_RectArray rectArray; |
334 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); | 335 CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page); |
335 CFX_RectArray rectArray; | 336 pageLink->GetRects(link_index, &rectArray); |
336 pageLink->GetRects(link_index, rectArray); | 337 if (rect_index >= rectArray.GetSize()) |
337 if (rect_index >= 0 && rect_index < rectArray.GetSize()) { | 338 return; |
338 CFX_FloatRect rect = rectArray.GetAt(rect_index); | 339 |
339 *left = rect.left; | 340 CFX_FloatRect rect = rectArray.GetAt(rect_index); |
340 *right = rect.right; | 341 *left = rect.left; |
341 *top = rect.top; | 342 *right = rect.right; |
342 *bottom = rect.bottom; | 343 *top = rect.top; |
343 } | 344 *bottom = rect.bottom; |
344 } | 345 } |
| 346 |
345 DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) { | 347 DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) { |
346 delete CPDFLinkExtractFromFPDFPageLink(link_page); | 348 delete CPDFLinkExtractFromFPDFPageLink(link_page); |
347 } | 349 } |
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