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| author | Philipp Hagemeister <phihag@phihag.de> | 2014-11-17 05:03:46 +0100 |
|---|---|---|
| committer | Philipp Hagemeister <phihag@phihag.de> | 2014-11-17 05:03:46 +0100 |
| commit | 33a266f4bae7b53ad12bd79293bcc1f11ae6d407 (patch) | |
| tree | ea91d78e28a75d037bc2f2700d266949700dbe5b /youtube_dl/swfinterp.py | |
| parent | 6b592d93a29163664d3125761fbf6d7c9fe5f56c (diff) | |
| download | youtube-dl-33a266f4bae7b53ad12bd79293bcc1f11ae6d407.tar.xz | |
[swfinterp] Implement charCodeAt
Diffstat (limited to 'youtube_dl/swfinterp.py')
| -rw-r--r-- | youtube_dl/swfinterp.py | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/youtube_dl/swfinterp.py b/youtube_dl/swfinterp.py index 4b47df29d..7369c94fc 100644 --- a/youtube_dl/swfinterp.py +++ b/youtube_dl/swfinterp.py @@ -411,7 +411,9 @@ class SWFInterpreter(object): self._classes_by_name, avm_class.variables]) while True: opcode = _read_byte(coder) - if opcode == 16: # jump + if opcode == 9: # label + pass # Spec says: "Do nothing." + elif opcode == 16: # jump offset = s24() coder.seek(coder.tell() + offset) elif opcode == 17: # iftrue @@ -436,6 +438,12 @@ class SWFInterpreter(object): value1 = stack.pop() if value2 != value1: coder.seek(coder.tell() + offset) + elif opcode == 21: # iflt + offset = s24() + value2 = stack.pop() + value1 = stack.pop() + if value1 < value2: + coder.seek(coder.tell() + offset) elif opcode == 32: # pushnull stack.append(None) elif opcode == 33: # pushundefined @@ -516,6 +524,13 @@ class SWFInterpreter(object): res = obj.split(args[0]) stack.append(res) continue + elif mname == 'charCodeAt': + assert len(args) <= 1 + idx = 0 if len(args) == 0 else args[0] + assert isinstance(idx, int) + res = ord(obj[idx]) + stack.append(res) + continue elif isinstance(obj, list): if mname == 'slice': assert len(args) == 1 @@ -687,6 +702,11 @@ class SWFInterpreter(object): value1 = stack.pop() res = value1 - value2 stack.append(res) + elif opcode == 162: # multiply + value2 = stack.pop() + value1 = stack.pop() + res = value1 * value2 + stack.append(res) elif opcode == 164: # modulo value2 = stack.pop() value1 = stack.pop() @@ -702,6 +722,10 @@ class SWFInterpreter(object): value1 = stack.pop() result = value1 >= value2 stack.append(result) + elif opcode == 192: # increment_i + value = stack.pop() + assert isinstance(value, int) + stack.append(value + 1) elif opcode == 208: # getlocal_0 stack.append(registers[0]) elif opcode == 209: # getlocal_1 |