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| author | Tom Sepez <tsepez@chromium.org> | 2018-04-17 16:41:28 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-17 16:41:28 +0000 |
| commit | b7973bb5a0ad2f83a71362d601a928964559004a (patch) | |
| tree | 74acc13d4e542b668f727c323a1ccc97461ec55f /core/fpdfapi/parser | |
| parent | 8cfcb7da37352b22517892e6eabcedb77676cdf7 (diff) | |
| download | pdfium-b7973bb5a0ad2f83a71362d601a928964559004a.tar.xz | |
Reland "Return pdfium::span<wchar_t> from WideString::GetBuffer().""
This reverts commit 0d32b8fda53e02c1036d39f7290d4f59f2b58ca4.
Restore behaviour on trunk.
TBR: dsinclair@chromium.org
Change-Id: Ia867f09ae9d2885595c4d9b300a058431dfd84f2
Reviewed-on: https://pdfium-review.googlesource.com/30811
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fpdfapi/parser')
| -rw-r--r-- | core/fpdfapi/parser/fpdf_parser_decode.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/core/fpdfapi/parser/fpdf_parser_decode.cpp b/core/fpdfapi/parser/fpdf_parser_decode.cpp index d7114b66c5..90dca2edcb 100644 --- a/core/fpdfapi/parser/fpdf_parser_decode.cpp +++ b/core/fpdfapi/parser/fpdf_parser_decode.cpp @@ -425,6 +425,7 @@ bool PDF_DataDecode(const uint8_t* src_buf, } WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) { + int dest_pos = 0; WideString result; if (src_len >= 2 && ((src_data[0] == 0xfe && src_data[1] == 0xff) || (src_data[0] == 0xff && src_data[1] == 0xfe))) { @@ -432,17 +433,15 @@ WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) { if (!max_chars) return result; + pdfium::span<wchar_t> dest_buf = result.GetBuffer(max_chars); bool bBE = src_data[0] == 0xfe || (src_data[0] == 0xff && !src_data[2]); - wchar_t* dest_buf = result.GetBuffer(max_chars); const uint8_t* uni_str = src_data + 2; - int dest_pos = 0; for (uint32_t i = 0; i < max_chars * 2; i += 2) { uint16_t unicode = GetUnicodeFromBytes(uni_str + i, bBE); if (unicode != 0x1b) { dest_buf[dest_pos++] = unicode; continue; } - i += 2; while (i < max_chars * 2) { uint16_t unicode2 = GetUnicodeFromBytes(uni_str + i, bBE); @@ -451,13 +450,13 @@ WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) { break; } } - result.ReleaseBuffer(dest_pos); } else { - wchar_t* dest_buf = result.GetBuffer(src_len); + pdfium::span<wchar_t> dest_buf = result.GetBuffer(src_len); for (uint32_t i = 0; i < src_len; ++i) dest_buf[i] = PDFDocEncoding[src_data[i]]; - result.ReleaseBuffer(src_len); + dest_pos = src_len; } + result.ReleaseBuffer(dest_pos); return result; } |