From: Nagao Takeyuki <nagaotakeyuki@gmail.com>
Date: Sun, 13 Sep 2009 06:28:02 +0000 (+0900)
Subject: Added: logging package
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=39d5343ec7ef38a0c2cb7b947752d3e4837a9677;p=dvibrowser%2Fjdisp.git

Added: logging package

Signed-off-by: Nagao Takeyuki <nagaotakeyuki@gmail.com>
---

diff --git a/src/js/bundle/jdisp.jsh b/src/js/bundle/jdisp.jsh
index 780f594..ee7d0e2 100644
--- a/src/js/bundle/jdisp.jsh
+++ b/src/js/bundle/jdisp.jsh
@@ -7,5 +7,6 @@
 #include <jdisp/package.jsh>
 #include <jdisp/text/package.jsh>
 #include <jdisp/util/package.jsh>
+#include <jdisp/logging/package.jsh>
 
 #endif /* _JDISP_H */
diff --git a/src/js/include/jdisp/logging/BasicLogger.jsh b/src/js/include/jdisp/logging/BasicLogger.jsh
new file mode 100644
index 0000000..f9133ab
--- /dev/null
+++ b/src/js/include/jdisp/logging/BasicLogger.jsh
@@ -0,0 +1,78 @@
+#ifndef _JDISP_LOGGING_BASICLOGGER_JS
+#define _JDISP_LOGGING_BASICLOGGER_JS
+
+OOP_CLASS(BasicLogger) = function(id, max, f)
+{
+  this.lines = new Array();
+  if (id) {
+    this.setTargetId(id);
+  }
+  if (max !== null) {
+    this.maxLines = Number(max);
+  } else {
+    this.maxLines = 25;
+  }
+  if (f !== null) {
+    this.setEnabled(f);
+  }
+};
+
+OOP_FIELD(BasicLogger, maxLines) = 1024;
+OOP_FIELD(BasicLogger, maxLineLength) = 4096;
+OOP_FIELD(BasicLogger, digits) = 6;
+OOP_FIELD(BasicLogger, lines) = null;
+OOP_FIELD(BasicLogger, count) = 0;
+OOP_FIELD(BasicLogger, targetId) = null;
+OOP_FIELD(BasicLogger, targetNode) = null;
+OOP_FIELD(BasicLogger, nodeFetched) = false;
+OOP_FIELD(BasicLogger, enabled) = true;
+OOP_METHOD(BasicLogger, setEnabled) = function (f)
+{
+  f = Boolean(f);
+  this.enabled = f;
+};
+
+OOP_METHOD(BasicLogger, setMaxLines) = function (n)
+{
+  if (IS_NUMBER(n) && 0 <= n) {
+    this.maxLines = n;
+  }
+};
+
+OOP_METHOD(BasicLogger, setTargetId) = function (id)
+{
+  this.targetId = id;
+  this.nodeFetched = false;
+  this.update();
+};
+
+OOP_METHOD(BasicLogger, append) = function (msg0)
+{
+  if (!this.enabled) return;
+  var msg = String(msg0);
+  msg = msg.slice(0, this.maxLineLength);
+  this.count++;
+  var s = "[" + PROJECT_PREFIX.global.zeroPrefix(this.count, this.digits) + "] " +
+          PROJECT_PREFIX.global.escapeHtml(msg) ;
+  var lines = this.lines;
+  var max = this.maxLines;
+  lines.push(s);
+  while (lines.length > max) {
+    lines.shift();
+  }
+  this.update();
+};
+
+OOP_METHOD(BasicLogger, update) = function ()
+{
+  if (!this.enabled) return;
+  if (!this.nodeFetched) {
+    this.nodeFetched = true;
+    var n = PROJECT_PREFIX.domUtils.getNode(this.targetId);
+    this.targetNode = n;
+  }
+  var html = this.lines.join("<br />\r\n");
+  PROJECT_PREFIX.domUtils.setHtml(this.targetNode, html);
+};
+
+#endif /* _JDISP_LOGGING_BASICLOGGER_JS */
diff --git a/src/js/include/jdisp/logging/Counter.jsh b/src/js/include/jdisp/logging/Counter.jsh
new file mode 100644
index 0000000..596ca70
--- /dev/null
+++ b/src/js/include/jdisp/logging/Counter.jsh
@@ -0,0 +1,86 @@
+#ifndef _JDISP_LOGGING_COUNTER_JS
+#define _JDISP_LOGGING_COUNTER_JS
+
+OOP_CLASS(Counter) = function()
+{
+  this.data = new Object();
+};
+
+OOP_FIELD(Counter, data) = new Object();
+
+OOP_METHOD(Counter, begin) = function (key)
+{
+  var rec = this.take(key);
+  rec.begin++;
+};
+
+OOP_METHOD(Counter, end) = function (key)
+{
+  var rec = this.take(key);
+  rec.end++;
+  this.tick(key);
+};
+
+OOP_METHOD(Counter, tick) = function (key)
+{
+  var rec = this.take(key);
+  rec.count++;
+};
+
+OOP_METHOD(Counter, add) = function (key, value)
+{
+  var rec = this.take(key);
+  rec.sum += value;
+  if (!rec.hasValue) {
+    rec.max = value;
+    rec.min = value;
+  } else {
+    rec.max = Math.max(rec.max, value);
+    rec.min = Math.min(rec.min, value);
+  }
+  rec.hasValue = true;
+  this.tick(key);
+};
+
+
+
+OOP_METHOD(Counter, take) = function (key)
+{
+  var rec = null;
+  if (key in this.data) {
+    rec = this.data[key];
+  } else {
+    rec = new Object();
+    rec.begin = 0;
+    rec.end = 0;
+    rec.count = 0;
+    rec.sum = 0;
+    rec.hasValue = false;
+    rec.max = 0;
+    rec.min = 0;
+    this.data[key] = rec;
+  }
+
+  return rec;
+};
+
+OOP_METHOD(Counter, toString) = function ()
+{
+  var lp = new PROJECT_PREFIX.text.ListPrinter('', ',', '');
+  for (var key in this.data) {
+    var rec = this.data[key];
+    var statistics = '';
+    if (rec.count > 0 && rec.hasValue) {
+      var avg = rec.sum * 1.0 / rec.count;
+      statistics = ',min=' + rec.min +
+                   ',avg=' + avg.toFixed(3) +
+                   ',max=' + rec.max ;
+    }
+    lp.append ( key + '=(' +
+                rec.count + ',' +
+                rec.begin + ',' + rec.end + statistics + ')');
+  }
+  return lp.toString();
+};
+
+#endif /* _JDISP_LOGGING_COUNTER_JS */
diff --git a/src/js/include/jdisp/logging/package.jsh b/src/js/include/jdisp/logging/package.jsh
new file mode 100644
index 0000000..7550d65
--- /dev/null
+++ b/src/js/include/jdisp/logging/package.jsh
@@ -0,0 +1,16 @@
+#ifndef _JDISP_LOGGING_PACKAGE_JSH
+#define _JDISP_LOGGING_PACKAGE_JSH
+
+#define OOP_NAMESPACE PROJECT_PREFIX.logging
+OOP_DECLARE_NAMESPACE2(PROJECT_PREFIX, logging)
+
+#include "BasicLogger.jsh"
+#include "Counter.jsh"
+
+PROJECT_PREFIX.logging.stdout = new OOP_CLASS(BasicLogger)();
+PROJECT_PREFIX.logging.counter = new OOP_CLASS(Counter)();
+
+#undef OOP_NAMESPACE
+
+#endif /* _JDISP_LOGGING_PACKAGE_JSH */
+