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am 5460d126: Merge "Added AMessage::debugString() for debugging purposes." into gingerbread

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Merge commit '5460d126f024a8d6597ce4eb127b51c101724960' into gingerbread-plus-aosp

* commit '5460d126f024a8d6597ce4eb127b51c101724960':
  Added AMessage::debugString() for debugging purposes.
This commit is contained in:
Andreas Huber
2010-07-02 08:03:20 -07:00
committed by Android Git Automerger
parent d15d0e9fd3 5460d126f0
commit 9f8c490e05
2 changed files with 105 additions and 0 deletions
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2
include/media/stagefright/foundation/AMessage.h
View File

@ -60,6 +60,8 @@ struct AMessage : public RefBase {
sp<AMessage> dup() const;
AString debugString(int32_t indent = 0) const;
protected:
virtual ~AMessage();

103
media/libstagefright/foundation/AMessage.cpp
View File

@ -16,6 +16,8 @@
#include "AMessage.h"
#include <ctype.h>
#include "AAtomizer.h"
#include "ADebug.h"
#include "ALooperRoster.h"
@ -238,4 +240,105 @@ sp<AMessage> AMessage::dup() const {
return msg;
}
static void appendIndent(AString *s, int32_t indent) {
static const char kWhitespace[] =
" "
" ";
CHECK_LT((size_t)indent, sizeof(kWhitespace));
s->append(kWhitespace, indent);
}
static bool isFourcc(uint32_t what) {
return isprint(what & 0xff)
&& isprint((what >> 8) & 0xff)
&& isprint((what >> 16) & 0xff)
&& isprint((what >> 24) & 0xff);
}
AString AMessage::debugString(int32_t indent) const {
AString s = "AMessage(what = ";
AString tmp;
if (isFourcc(mWhat)) {
tmp = StringPrintf(
"'%c%c%c%c'",
(char)(mWhat >> 24),
(char)((mWhat >> 16) & 0xff),
(char)((mWhat >> 8) & 0xff),
(char)(mWhat & 0xff));
} else {
tmp = StringPrintf("0x%08x", mWhat);
}
s.append(tmp);
if (mTarget != 0) {
tmp = StringPrintf(", target = %d", mTarget);
s.append(tmp);
}
s.append(") = {\n");
for (size_t i = 0; i < mNumItems; ++i) {
const Item &item = mItems[i];
switch (item.mType) {
case kTypeInt32:
tmp = StringPrintf(
"int32_t %s = %d", item.mName, item.u.int32Value);
break;
case kTypeInt64:
tmp = StringPrintf(
"int64_t %s = %lld", item.mName, item.u.int64Value);
break;
case kTypeSize:
tmp = StringPrintf(
"size_t %s = %d", item.mName, item.u.sizeValue);
break;
case kTypeFloat:
tmp = StringPrintf(
"float %s = %f", item.mName, item.u.floatValue);
break;
case kTypeDouble:
tmp = StringPrintf(
"double %s = %f", item.mName, item.u.doubleValue);
break;
case kTypePointer:
tmp = StringPrintf(
"void *%s = %p", item.mName, item.u.ptrValue);
break;
case kTypeString:
tmp = StringPrintf(
"string %s = \"%s\"",
item.mName,
item.u.stringValue->c_str());
break;
case kTypeObject:
tmp = StringPrintf(
"RefBase *%s = %p", item.mName, item.u.refValue);
break;
case kTypeMessage:
tmp = StringPrintf(
"AMessage %s = %s",
item.mName,
static_cast<AMessage *>(
item.u.refValue)->debugString(
indent + strlen(item.mName) + 14).c_str());
break;
default:
TRESPASS();
}
appendIndent(&s, indent);
s.append(" ");
s.append(tmp);
s.append("\n");
}
appendIndent(&s, indent);
s.append("}");
return s;
}
} // namespace android