Changeset 18:c957b01ca44c in xplra for src/client

Timestamp:

01/31/13 18:44:47 (11 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

hg-Phase:

(<MercurialRepository 3 'hg:/home/ivaradi/xplane/hg/xplra' '/'>, 'public')

Message:

Added the setting of array values

Location:

src/client/c/hu/varadiistvan/xplra

Files:

• XPlane.cc (modified) (1 diff)
• XPlane.h (modified) (2 diffs)

src/client/c/hu/varadiistvan/xplra/XPlane.cc

@@ -331 +331 @@
 //------------------------------------------------------------------------------
 
+void XPlane::setArray(const char* name, uint8_t type, size_t length,
+                      size_t offset) throw(Exception)
+{
+    stream->writeU8(Protocol::COMMAND_SET_SINGLE);
+    stream->writeString(name, strlen(name));
+    stream->writeU8(type);
+    stream->writeS32(static_cast<int32_t>(length));
+    stream->writeS32(static_cast<int32_t>(offset));
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setFloatArray(const char* name, const float* values, size_t length,
+                           size_t offset) throw(Exception)
+{
+    setArray(name, Protocol::TYPE_FLOAT_ARRAY, length, offset);
+    stream->write(values, length*sizeof(*values));
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setIntArray(const char* name, const int32_t* values, size_t length,
+                         size_t offset) throw(Exception)
+{
+    setArray(name, Protocol::TYPE_INT_ARRAY, length, offset);
+    stream->write(values, length*sizeof(*values));
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setByteArray(const char* name, const uint8_t* values, size_t length,
+                          size_t offset) throw(Exception)
+{
+    setArray(name, Protocol::TYPE_BYTE_ARRAY, length, offset);
+    stream->write(values, length*sizeof(*values));
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setString(const char* name, const char* value, size_t length,
+                       size_t offset) throw(Exception)
+{
+    size_t valueLength = strlen(value);
+    if ((valueLength+1)>=length) {
+        setByteArray(name, reinterpret_cast<const uint8_t*>(value),
+                     length, offset);
+    } else {
+        auto_ptr<uint8_t> buffer(new uint8_t[length]);
+        memcpy(buffer.get(), value, valueLength);
+        memset(buffer.get() + valueLength, 0, length - valueLength);
+        setByteArray(name, buffer.get(), length, offset);
+    }
+}
+//------------------------------------------------------------------------------
+
 // Local Variables:
 // mode: C++

src/client/c/hu/varadiistvan/xplra/XPlane.h

@@ -198 +198 @@
     void setDouble(const char* name, double value) throw(Exception);
 
+    /**
+     * Set the given float array to values in the given buffer.
+     */
+    void setFloatArray(const char* name, const float* values, size_t length,
+                       size_t offset = 0) throw(Exception);
+
+    /**
+     * Set the given integer array to values in the given buffer.
+     */
+    void setIntArray(const char* name, const int32_t* values, size_t length,
+                     size_t offset = 0) throw(Exception);
+
+    /**
+     * Set the given byte array to values in the given buffer.
+     */
+    void setByteArray(const char* name, const uint8_t* values, size_t length,
+                      size_t offset = 0) throw(Exception);
+
+    /**
+     * Set the given string to the given value. Since strings are byte
+     * arrays, and the bytes after the string should be zeroed, the
+     * length must be given. The string will be converted to a byte
+     * array of the given length, padded with 0s.
+     */
+    void setString(const char* name, const char* value, size_t length,
+                   size_t offset = 0) throw(Exception);
+
 private:
     /**
@@ -237 +264 @@
      */
     void setScalar(const char* name, uint8_t type) throw(Exception);
+
+    /**
+     * Issue the command to set an array value of the given type.
+     */
+    void setArray(const char* name, uint8_t type, size_t length,
+                  size_t offset) throw(Exception);
 };