/*
* Format:
* `METHOD {signature} {return type}` (all freestanding methods)
* \BLANK\
* `CLASS {name} {size in bytes}`
* `MEMBER {name} {typeName} {offset in bytes}`
* `METHOD {signature} {return type}` (actual methods)
* (a `CLASS` starts a new class)
*
* NOTE: Everything's going to be Access::PUBLIC automatically, because this is an API
*/
void LibGenerator::AddFromFile(const std::string& path)
{
std::cout << "Adding library: " << path << std::endl;
std::vector<std::string> lines = Util::Split(Util::LoadFile(path), '\n');
bool isInClass = false;
ClassDef* currentClass;
for (auto& line : lines)
{
if (line.empty())
continue;
auto lineSplit = Util::Split(line, ' ');
if (lineSplit[0] == "CLASS")
{
currentClass = new ClassDef(lineSplit[1], Attribs(), true);
currentClass->typeSize = std::atoi(lineSplit[2].c_str());
m_parse.classes.push_back(currentClass);
}
else if (lineSplit[0] == "MEMBER")
{
VariableDef* varDef = new VariableDef(lineSplit[1], lineSplit[2], Attribs(), false);
varDef->offset = std::atoi(lineSplit[3].c_str());
currentClass->memberVars.push_back(varDef);
}
else if (lineSplit[0] == "METHOD")
{
// TODO
std::vector<VariableDef*> params;
std::vector<VariableDef*> locals;
Attribs attribs(Attribs::Access::PUBLIC, false, false);
MethodDef* method = new MethodDef(lineSplit[1], attribs, params, locals, lineSplit[2], nullptr, true);
if (isInClass)
currentClass->methods.push_back(method);
else
m_parse.methods.push_back(method);
}
else
{
std::cerr << "WARNING: Malformed library file (" << path << ") - skipping this library!" << std::endl;
return;
}
}
}
bool ASessionDescription::parse(const void *data, size_t size) {
mTracks.clear();
mFormats.clear();
mTracks.push(Attribs());
mFormats.push(AString("[root]"));
AString desc((const char *)data, size);
size_t i = 0;
for (;;) {
ssize_t eolPos = desc.find("\n", i);
if (eolPos < 0) {
break;
}
AString line;
if ((size_t)eolPos > i && desc.c_str()[eolPos - 1] == '\r') {
// We accept both '\n' and '\r\n' line endings, if it's
// the latter, strip the '\r' as well.
line.setTo(desc, i, eolPos - i - 1);
} else {
line.setTo(desc, i, eolPos - i);
}
if (line.empty()) {
i = eolPos + 1;
continue;
}
if (line.size() < 2 || line.c_str()[1] != '=') {
return false;
}
ALOGI("%s", line.c_str());
switch (line.c_str()[0]) {
case 'v':
{
if (strcmp(line.c_str(), "v=0")) {
return false;
}
break;
}
case 'a':
case 'b':
{
AString key, value;
ssize_t colonPos = line.find(":", 2);
if (colonPos < 0) {
key = line;
} else {
key.setTo(line, 0, colonPos);
if (key == "a=fmtp" || key == "a=rtpmap"
|| key == "a=framesize") {
ssize_t spacePos = line.find(" ", colonPos + 1);
if (spacePos < 0) {
return false;
}
key.setTo(line, 0, spacePos);
colonPos = spacePos;
}
value.setTo(line, colonPos + 1, line.size() - colonPos - 1);
}
key.trim();
value.trim();
ALOGV("adding '%s' => '%s'", key.c_str(), value.c_str());
mTracks.editItemAt(mTracks.size() - 1).add(key, value);
break;
}
case 'm':
{
ALOGV("new section '%s'",
AString(line, 2, line.size() - 2).c_str());
mTracks.push(Attribs());
mFormats.push(AString(line, 2, line.size() - 2));
break;
}
default:
{
AString key, value;
ssize_t equalPos = line.find("=");
key = AString(line, 0, equalPos + 1);
value = AString(line, equalPos + 1, line.size() - equalPos - 1);
key.trim();
value.trim();
ALOGV("adding '%s' => '%s'", key.c_str(), value.c_str());
mTracks.editItemAt(mTracks.size() - 1).add(key, value);
break;
}
}
i = eolPos + 1;
}
return true;
}
bool ASessionDescription::parse(const void *data, size_t size) {
mTracks.clear();
mFormats.clear();
mTracks.push(Attribs());
mFormats.push(AString("[root]"));
AString desc((const char *)data, size);
#ifndef ANDROID_DEFAULT_CODE
int rtpmapNum = 0;
bool unsupported = false;
#endif // #ifndef ANDROID_DEFAULT_CODE
size_t i = 0;
for (;;) {
#ifndef ANDROID_DEFAULT_CODE
if (i >= desc.size()) {
break;
}
#endif // #ifndef ANDROID_DEFAULT_CODE
ssize_t eolPos = desc.find("\n", i);
if (eolPos < 0) {
#ifndef ANDROID_DEFAULT_CODE
eolPos = desc.size();
#else
break;
#endif // #ifndef ANDROID_DEFAULT_CODE
}
AString line;
if ((size_t)eolPos > i && desc.c_str()[eolPos - 1] == '\r') {
// We accept both '\n' and '\r\n' line endings, if it's
// the latter, strip the '\r' as well.
line.setTo(desc, i, eolPos - i - 1);
} else {
line.setTo(desc, i, eolPos - i);
}
if (line.empty()) {
i = eolPos + 1;
continue;
}
if (line.size() < 2 || line.c_str()[1] != '=') {
return false;
}
#ifndef ANDROID_DEFAULT_CODE
if (unsupported && line.c_str()[0] != 'm') {
LOGI("skip %s in unsupported media description", line.c_str());
i = eolPos + 1;
continue;
} else
#endif // #ifndef ANDROID_DEFAULT_CODE
LOGI("%s", line.c_str());
switch (line.c_str()[0]) {
case 'v':
{
if (strcmp(line.c_str(), "v=0")) {
return false;
}
break;
}
case 'a':
case 'b':
{
AString key, value;
ssize_t colonPos = line.find(":", 2);
if (colonPos < 0) {
key = line;
} else {
key.setTo(line, 0, colonPos);
if (key == "a=fmtp" || key == "a=rtpmap"
|| key == "a=framesize") {
ssize_t spacePos = line.find(" ", colonPos + 1);
if (spacePos < 0) {
return false;
}
#ifndef ANDROID_DEFAULT_CODE
if (key == "a=rtpmap") {
if (rtpmapNum > 0) {
mTracks.pop();
mFormats.pop();
unsupported = true;
LOGW("ASessionDescription: multiple rtpmap"
" for one media is not supported yet");
break;
} else {
rtpmapNum++;
}
}
#endif // #ifndef ANDROID_DEFAULT_CODE
key.setTo(line, 0, spacePos);
colonPos = spacePos;
}
value.setTo(line, colonPos + 1, line.size() - colonPos - 1);
}
key.trim();
value.trim();
LOGV("adding '%s' => '%s'", key.c_str(), value.c_str());
mTracks.editItemAt(mTracks.size() - 1).add(key, value);
break;
}
case 'm':
{
LOGV("new section '%s'",
AString(line, 2, line.size() - 2).c_str());
#ifndef ANDROID_DEFAULT_CODE
rtpmapNum = 0;
unsupported = false;
#endif // #ifndef ANDROID_DEFAULT_CODE
mTracks.push(Attribs());
mFormats.push(AString(line, 2, line.size() - 2));
break;
}
default:
{
AString key, value;
ssize_t equalPos = line.find("=");
key = AString(line, 0, equalPos + 1);
value = AString(line, equalPos + 1, line.size() - equalPos - 1);
key.trim();
value.trim();
LOGV("adding '%s' => '%s'", key.c_str(), value.c_str());
mTracks.editItemAt(mTracks.size() - 1).add(key, value);
break;
}
}
i = eolPos + 1;
}
return true;
}
