1 files changed, 31 insertions, 0 deletions

diff --git a/lib/chunk.cc b/lib/chunk.cc
new file mode 100644
index 0000000..7cc15ff
--- a/dev/null
+++ b/lib/chunk.cc
@@ -0,0 +1,31 @@
+#include <midillo/chunk.h>
+#include <midillo/util.h>
+#include <midillo/exception.h>
+
+namespace midillo {
+
+    void chunk_header_t::load(istream& s) {
+        s.read((char*)id_chars,sizeof(id_chars));
+        if(!s.good())
+            throw exception_input_error(CODEPOINT,"Error reading chunk header");
+        length = read32(s);
+    }
+    
+    void chunk_header_t::save(ostream& s) const {
+        s.write((char*)id_chars,sizeof(id_chars));
+        if(!s.good())
+            throw exception_output_error(CODEPOINT,"Error writing chunk header");
+        write32(s,length);
+    }
+
+    void chunk_header_t::dump(ostream& s) const {
+        std::ios::fmtflags ff = s.flags();
+        s.unsetf(std::ios::hex); s.setf(std::ios::dec);
+        s
+            << id_chars[0] << id_chars[1]
+            << id_chars[2] << id_chars[3]
+            << " chunk of " << length << " byte(s)";
+        s.flags(ff);
+    }
+
+}