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Finished tool for JavaScript scanning

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This commit is contained in:
Jakub Melka 2020-10-06 19:21:05 +02:00
parent 9a85ba458f
commit 71cf448cb3
3 changed files with 95 additions and 1 deletions
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6
PdfForQtLib/sources/pdfjavascriptscanner.cpp
View File

@ -188,6 +188,12 @@ PDFJavaScriptScanner::Entries PDFJavaScriptScanner::scan(const std::vector<PDFIn
}
}
qSort(result);
if (options.testFlag(Optimize))
{
result.erase(std::unique(result.begin(), result.end()), result.end());
}
return result;
}

8
PdfForQtLib/sources/pdfjavascriptscanner.h
View File

@ -42,6 +42,13 @@ struct PDFJavaScriptEntry
}
bool operator <(const PDFJavaScriptEntry& other) const
{
return std::tie(type, pageIndex, javaScript) < std::tie(other.type, other.pageIndex, other.javaScript);
}
bool operator==(const PDFJavaScriptEntry&) const = default;
Type type = Type::Invalid;
PDFInteger pageIndex = -1;
QString javaScript;
@ -63,6 +70,7 @@ public:
ScanNamed = 0x0008, ///< Scan named javascript in catalog
ScanForm = 0x0010, ///< Scan javascript in form actions
ScanPage = 0x0020, ///< Scan javascript in page annotations
Optimize = 0x0040, ///< Remove redundant entries
ScanMask = ScanDocument | ScanNamed | ScanForm | ScanPage
};

82
PdfTool/pdftoolinfojavascript.cpp
View File

@ -63,7 +63,87 @@ int PDFToolInfoJavaScriptApplication::execute(const PDFToolOptions& options)
}
pdf::PDFJavaScriptScanner scanner(&document);
pdf::PDFJavaScriptScanner::Entries javascripts = scanner.scan(pages, pdf::PDFJavaScriptScanner::ScanMask);
pdf::PDFJavaScriptScanner::Entries javascripts = scanner.scan(pages, pdf::PDFJavaScriptScanner::ScanMask | pdf::PDFJavaScriptScanner::Optimize);
QLocale locale;
PDFOutputFormatter formatter(options.outputStyle, options.outputCodec);
formatter.beginDocument("info-javascripts", PDFToolTranslationContext::tr("JavaScript used in document %1").arg(options.document));
formatter.endl();
formatter.beginTable("overview", PDFToolTranslationContext::tr("JavaScript Usage Overview"));
formatter.beginTableHeaderRow("header");
formatter.writeTableHeaderColumn("no", PDFToolTranslationContext::tr("No."), Qt::AlignLeft);
formatter.writeTableHeaderColumn("context", PDFToolTranslationContext::tr("Context"), Qt::AlignLeft);
formatter.writeTableHeaderColumn("page-number", PDFToolTranslationContext::tr("Page Number"), Qt::AlignLeft);
formatter.writeTableHeaderColumn("code-size", PDFToolTranslationContext::tr("Code Size"), Qt::AlignLeft);
formatter.writeTableHeaderColumn("code-snippet", PDFToolTranslationContext::tr("Code Snippet"), Qt::AlignLeft);
formatter.endTableHeaderRow();
int ref = 1;
for (const pdf::PDFJavaScriptEntry& entry : javascripts)
{
formatter.beginTableRow("javascript", ref);
QString contextText;
switch (entry.type)
{
case pdf::PDFJavaScriptEntry::Type::Document:
contextText = PDFToolTranslationContext::tr("Document");
break;
case pdf::PDFJavaScriptEntry::Type::Named:
contextText = PDFToolTranslationContext::tr("Named");
break;
case pdf::PDFJavaScriptEntry::Type::Form:
contextText = PDFToolTranslationContext::tr("Form");
break;
case pdf::PDFJavaScriptEntry::Type::Page:
contextText = PDFToolTranslationContext::tr("Page");
break;
case pdf::PDFJavaScriptEntry::Type::Annotation:
contextText = PDFToolTranslationContext::tr("Annotation");
break;
default:
Q_ASSERT(false);
break;
}
formatter.writeTableColumn("no", locale.toString(ref), Qt::AlignRight);
formatter.writeTableColumn("context", contextText);
formatter.writeTableColumn("page-number", (entry.pageIndex != -1) ? locale.toString(entry.pageIndex + 1) : QString());
formatter.writeTableColumn("code-size", locale.toString(entry.javaScript.size()));
formatter.writeTableColumn("code-snippet", entry.javaScript.left(64));
formatter.endTableRow();
++ref;
}
formatter.endTable();
formatter.endl();
formatter.beginHeader("details", PDFToolTranslationContext::tr("Details"));
ref = 1;
for (const pdf::PDFJavaScriptEntry& entry : javascripts)
{
formatter.endl();
formatter.beginHeader("javascript", PDFToolTranslationContext::tr("JavaScript #%1").arg(ref), ref);
formatter.writeText("code", entry.javaScript);
formatter.endHeader();
++ref;
}
formatter.endHeader();
formatter.endDocument();
PDFConsole::writeText(formatter.getString(), options.outputCodec);
return ExitSuccess;
}