diff options
author | Tomaž Vajngerl <tomaz.vajngerl@collabora.co.uk> | 2020-11-07 16:18:00 +0100 |
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committer | Tomaž Vajngerl <quikee@gmail.com> | 2020-11-12 22:26:13 +0100 |
commit | fbf14b4e48c7677d5acf9a0ab91a3dc8d4ffc6fd (patch) | |
tree | 58456b840662e915478248f31fad7d2693eafd02 /vcl | |
parent | 5db34391ebf7a51d26196f3fe28f3d9327ea2eb6 (diff) |
pdf: add writeString for pdf elements for writing element content
This adds a writeString virtual method to PDFElement and
subclasses and implemnts them for each element. This is used to
write the PDF object hierarchy back to a string buffer.
Change-Id: I484c9cebd8ab9149029b925a47e68b6a4fdf9be1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105492
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Diffstat (limited to 'vcl')
-rw-r--r-- | vcl/source/filter/ipdf/pdfdocument.cxx | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/vcl/source/filter/ipdf/pdfdocument.cxx b/vcl/source/filter/ipdf/pdfdocument.cxx index 7a0a7b4dce65..911cb2381ed5 100644 --- a/vcl/source/filter/ipdf/pdfdocument.cxx +++ b/vcl/source/filter/ipdf/pdfdocument.cxx @@ -49,6 +49,7 @@ class PDFCommentElement : public PDFElement public: explicit PDFCommentElement(PDFDocument& rDoc); bool Read(SvStream& rStream) override; + void writeString(OStringBuffer& /*rBuffer*/) override {} }; } @@ -66,6 +67,8 @@ public: PDFEndDictionaryElement(); bool Read(SvStream& rStream) override; sal_uInt64 GetLocation() const; + + void writeString(OStringBuffer& /*rBuffer*/) override {} }; /// End of a stream: 'endstream' keyword. @@ -73,6 +76,8 @@ class PDFEndStreamElement : public PDFElement { public: bool Read(SvStream& rStream) override; + + void writeString(OStringBuffer& /*rBuffer*/) override {} }; /// End of an object: 'endobj' keyword. @@ -80,6 +85,8 @@ class PDFEndObjectElement : public PDFElement { public: bool Read(SvStream& rStream) override; + + void writeString(OStringBuffer& /*rBuffer*/) override {} }; /// End of an array: ']'. @@ -92,14 +99,27 @@ public: PDFEndArrayElement(); bool Read(SvStream& rStream) override; sal_uInt64 GetOffset() const; + + void writeString(OStringBuffer& /*rBuffer*/) override {} }; /// Boolean object: a 'true' or a 'false'. class PDFBooleanElement : public PDFElement { + bool m_aValue; + public: - explicit PDFBooleanElement(bool bValue); + explicit PDFBooleanElement(bool bValue) + : m_aValue(bValue) + { + } + bool Read(SvStream& rStream) override; + + void writeString(OStringBuffer& rBuffer) override + { + rBuffer.append(m_aValue ? "true" : "false"); + } }; /// Null object: the 'null' singleton. @@ -107,6 +127,8 @@ class PDFNullElement : public PDFElement { public: bool Read(SvStream& rStream) override; + + void writeString(OStringBuffer& rBuffer) override { rBuffer.append("null"); } }; } @@ -123,6 +145,8 @@ public: bool Read(SvStream& rStream) override; PDFElement* Lookup(const OString& rDictionaryKey); sal_uInt64 GetLocation() const; + + void writeString(OStringBuffer& /*rBuffer*/) override {} }; XRefEntry::XRefEntry() = default; @@ -2287,8 +2311,6 @@ sal_uInt64 PDFNumberElement::GetLocation() const { return m_nOffset; } sal_uInt64 PDFNumberElement::GetLength() const { return m_nLength; } -PDFBooleanElement::PDFBooleanElement(bool /*bValue*/) {} - bool PDFBooleanElement::Read(SvStream& /*rStream*/) { return true; } bool PDFNullElement::Read(SvStream& /*rStream*/) { return true; } |