From feb309b5b151378b7be899b66a54db9bcf2ea404 Mon Sep 17 00:00:00 2001
From: "Jay Freeman (saurik)" <saurik@saurik.com>
Date: Wed, 30 Nov 2016 00:39:04 -0800
Subject: The fastest way to get field values is as a range.

---
 apt-pkg/deb/debrecords.cc | 6 ++++++
 apt-pkg/deb/debrecords.h  | 1 +
 apt-pkg/pkgrecords.h      | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index e0e8a4c49..0fcb9987e 100644
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -208,6 +208,12 @@ void debRecordParserBase::GetRec(const char *&Start,const char *&Stop)
    Section.GetSection(Start,Stop);
 }
 									/*}}}*/
+// RecordParserBase::Find - Locate a tag			/*{{{*/
+bool debRecordParserBase::Find(const char *Tag,const char *&Start, const char *&End)
+{
+   return Section.Find(Tag,Start,End);
+}
+									/*}}}*/
 debRecordParserBase::~debRecordParserBase() {}
 
 bool debDebFileRecordParser::LoadContent()
diff --git a/apt-pkg/deb/debrecords.h b/apt-pkg/deb/debrecords.h
index dca6dda20..def580223 100644
--- a/apt-pkg/deb/debrecords.h
+++ b/apt-pkg/deb/debrecords.h
@@ -50,6 +50,7 @@ class APT_HIDDEN debRecordParserBase : public pkgRecords::Parser
    virtual std::string RecordField(const char *fieldName) APT_OVERRIDE;
 
    virtual void GetRec(const char *&Start,const char *&Stop) APT_OVERRIDE;
+   virtual bool Find(const char *Tag,const char *&Start, const char *&End) APT_OVERRIDE;
 
    debRecordParserBase();
    virtual ~debRecordParserBase();
diff --git a/apt-pkg/pkgrecords.h b/apt-pkg/pkgrecords.h
index dec722330..f78a6229f 100644
--- a/apt-pkg/pkgrecords.h
+++ b/apt-pkg/pkgrecords.h
@@ -100,6 +100,9 @@ class pkgRecords::Parser						/*{{{*/
    // The record in binary form
    virtual void GetRec(const char *&Start,const char *&Stop) {Start = Stop = 0;};
 
+   // Locate a tag
+   virtual bool Find(const char *Tag,const char *&Start, const char *&End) {Start = End = 0; return false;};
+
    Parser();
    virtual ~Parser();
 
-- 
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