From dc4802edd5f45144e3995586544de01580217d74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Rombauts?= <sebastien.rombauts@gmail.com>
Date: Fri, 8 Mar 2013 21:24:38 +0100
Subject: [PATCH] Adding the method getBytes to the Column object, returning
 the size in bytes of the text value.

---
 TODO.txt                 |  1 -
 src/SQLiteC++/Column.cpp |  7 +++++++
 src/SQLiteC++/Column.h   | 12 +++++++++++-
 src/example1/main.cpp    |  3 ++-
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/TODO.txt b/TODO.txt
index d7821ff..7bfb429 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -7,7 +7,6 @@ Publish the Doxygen Documentation in the Github Pages (gh-pages branch)
 
 Missing features in v0.4.0:
 - **Blob** => make an example/test with image stored in a row
-- getBytes
 - getColumnType + isText + isInt + isDouble...
 - getColumnByName ? std::map getRow() ?
 
diff --git a/src/SQLiteC++/Column.cpp b/src/SQLiteC++/Column.cpp
index 148307c..1934e96 100644
--- a/src/SQLiteC++/Column.cpp
+++ b/src/SQLiteC++/Column.cpp
@@ -51,6 +51,13 @@ const char* Column::getText(void) const throw() // nothrow
     return (const char*)sqlite3_column_text(mStmtPtr, mIndex);
 }
 
+// Return the number of bytes used by the text value of the column
+int Column::getBytes(void) const throw() // nothrow
+{
+    return sqlite3_column_bytes(mStmtPtr, mIndex);
+}
+
+
 // Standard std::ostream inserter
 std::ostream& operator<<(std::ostream& aStream, const Column& aColumn)
 {
diff --git a/src/SQLiteC++/Column.h b/src/SQLiteC++/Column.h
index 5cea6d2..10c2319 100644
--- a/src/SQLiteC++/Column.h
+++ b/src/SQLiteC++/Column.h
@@ -52,8 +52,18 @@ public:
     /// thus you must copy it before using it beyond its scope (to a std::string for instance).
     const char*     getText  (void) const throw();
 // TODO const void* getBlob  (void) const throw();
-// TODO int         getBytes (void) const throw();
     
+    /**
+     * @brief Return the number of bytes used by the text value of the column
+     *
+     * Return either :
+     * - size in bytes (not in characters) of the string returned by getText() without the '\0' terminator
+     * - size in bytes of the string representation of the numerical value (integer or double)
+     * - TODO size in bytes of the binary blob returned by getBlob()
+     * - 0 for a NULL value
+     */
+    int getBytes(void) const throw();
+
     /// Inline cast operator to int
     inline operator int() const
     {
diff --git a/src/example1/main.cpp b/src/example1/main.cpp
index a78efdf..b83f02e 100644
--- a/src/example1/main.cpp
+++ b/src/example1/main.cpp
@@ -87,9 +87,10 @@ int main (void)
             int         id      = query.getColumn(0); // = query.getColumn(0).getInt()
           //const char* pvalue  = query.getColumn(1); // = query.getColumn(1).getText()
             std::string value2  = query.getColumn(1); // = query.getColumn(1).getText()
+            int         bytes   = query.getColumn(1).getBytes();
             int         size    = query.getColumn(2); // = query.getColumn(2).getInt()
 
-            std::cout << "row : (" << id << ", " << value2.c_str() << ", " << size << ")\n";
+            std::cout << "row : (" << id << ", " << value2.c_str() << ", "  << bytes << ", " << size << ")\n";
         }
 
         // Reset the query to use it again