Add infrastructure for UTF-{16,32} string creation actions

LinearView: Update string methods for UTF-{16,32} string quick-creation

- Update `makeString` to accept a character size for wide strings
- Update `getStringLength` to handle wide strings, add doc comment

TypeView, TypeView: Add `charSize` parameter to `makeString`

4 files changed, 19 insertions, 6 deletions

diff --git a/ui/flowgraphwidget.h b/ui/flowgraphwidget.h
index 6a77b829..2064e99b 100644
--- a/ui/flowgraphwidget.h
+++ b/ui/flowgraphwidget.h
@@ -344,7 +344,7 @@ private Q_SLOTS:
 	void skipAndReturnValue();
 
 	void makePtr();
-	void makeString();
+	void makeString(size_t charSize = 1);
 
 	void reanalyze();
 
diff --git a/ui/linearview.h b/ui/linearview.h
index d7a4983e..7edf8097 100644
--- a/ui/linearview.h
+++ b/ui/linearview.h
@@ -264,7 +264,7 @@ private Q_SLOTS:
 	void makeFloat64();
 	void toggleFloatSize();
 	void makePtr();
-	void makeString();
+	void makeString(size_t charSize = 1);
 	void changeType(const UIActionContext& context);
 	void undefineVariable();
 	void displayAs(const UIActionContext& context, BNIntegerDisplayType displayType) override;
@@ -274,7 +274,13 @@ private Q_SLOTS:
 	void createNewTypes();
 	void autoCreateMembers();
 
-	size_t getStringLength(uint64_t startAddr);
+	//! Get the length of of the string (if there is one) starting at the
+	//! given address. String type is assumed to be UTF-8 by default, but the
+	//! `charSize` parameter can be set to 2 or 4 to look for UTF-16 or
+	//! UTF-32 string, respectively.
+	//!
+	//! Returns the length of the string in bytes, NOT the number of characters.
+	size_t getStringLength(uint64_t startAddr, size_t charSize = 1);
 
 	void setInstructionHighlight(BNHighlightColor color);
 	void setBlockHighlight(BNHighlightColor color);
diff --git a/ui/tokenizedtextview.h b/ui/tokenizedtextview.h
index 699c6caa..6424e6e4 100644
--- a/ui/tokenizedtextview.h
+++ b/ui/tokenizedtextview.h
@@ -94,11 +94,18 @@ class BINARYNINJAUIAPI TokenizedTextView: public QAbstractScrollArea, public Vie
 	void makeFloat64();
 	void toggleFloatSize();
 	void makePtr();
-	void makeString();
+	void makeString(size_t charSize = 1);
 	void changeType();
 	void inferStructureType();
 	void autoCreateMembers();
-	size_t getStringLength(uint64_t startAddr);
+
+	//! Get the length of of the string (if there is one) starting at the
+	//! given address. String type is assumed to be UTF-8 by default, but the
+	//! `charSize` parameter can be set to 2 or 4 to look for UTF-16 or
+	//! UTF-32 string, respectively.
+	//!
+	//! Returns the length of the string in bytes, NOT the number of characters.
+	size_t getStringLength(uint64_t startAddr, size_t charSize = 1);
 
 	void setInstructionHighlight(BNHighlightColor color);
 	void setBlockHighlight(BNHighlightColor color);
diff --git a/ui/typeview.h b/ui/typeview.h
index 512e2635..c5631a23 100644
--- a/ui/typeview.h
+++ b/ui/typeview.h
@@ -263,7 +263,7 @@ private Q_SLOTS:
 	void makeInt32();
 	void makeInt64();
 	void makePtr();
-	void makeString();
+	void makeString(size_t charSize = 1);
 	void makeArray();
 	void newTypes();
 	void createStructure();