Overhauled the schema system to make more sense. Implemented a dump_structure utility.

[~jspiros/python-ebml.git] / ebml / schema / ebml.py

diff --git a/ebml/schema/ebml.py b/ebml/schema/ebml.py
new file mode 100644 (file)
index 0000000..b1b6922
--- /dev/null
+++ b/ebml/schema/ebml.py
@@ -0,0 +1,133 @@
+from .base import *
+
+
+class CRC32Element(Element):
+       id = 0xBF
+       name = 'CRC-32'
+       type = BINARY
+
+
+class VoidElement(Element):
+       id = 0xEC
+       name = 'Void'
+       type = BINARY
+
+
+class SignatureAlgoElement(Element):
+       id = 0x7E8A
+       name = 'SignatureAlgo'
+       type = UINT
+       multiple = True
+
+
+class SignatureHashElement(Element):
+       id = 0x7E9A
+       name = 'SignatureHash'
+       type = UINT
+
+
+class SignaturePublicKeyElement(Element):
+       id = 0x7EA5
+       name = 'SignaturePublicKey'
+       type = BINARY
+
+
+class SignatureElement(Element):
+       id = 0x7EB5
+       name = 'Signature'
+       type = BINARY
+
+
+class SignedElementElement(Element):
+       id = 0x6532
+       name = 'SignedElement'
+       type = BINARY
+
+
+class SignatureElementListElement(Element):
+       id = 0x7E7B
+       name = 'SignatureElementList'
+       children = (SignedElementElement,)
+       type = CONTAINER
+       multiple = True
+
+
+class SignatureElementsElement(Element):
+       id = 0x7E5B
+       name = 'SignatureElements'
+       children = (SignatureElementListElement)
+       type = CONTAINER
+
+
+class SignatureSlotElement(Element):
+       id = 0x1B538667
+       name = 'SignatureSlot'
+       children = (SignatureAlgoElement, SignatureHashElement, SignaturePublicKeyElement, SignatureElement, SignatureElementsElement)
+       type = CONTAINER
+
+
+class EBMLVersionElement(Element):
+       id = 0x4286
+       name = 'EBMLVersion'
+       type = UINT
+       mandatory = True
+       default = 1
+
+
+class EBMLReadVersionElement(Element):
+       id = 0x42F7
+       name = 'EBMLReadVersion'
+       type = UINT
+       mandatory = True
+       default = 1
+
+
+class EBMLMaxIDLengthElement(Element):
+       id = 0x42F2
+       name = 'EBMLMaxIDLength'
+       type = UINT
+       mandatory = True
+       default = 4
+
+
+class EBMLMaxSizeLengthElement(Element):
+       id = 0x42F3
+       name = 'EBMLMaxSizeLength'
+       type = UINT
+       mandatory = True
+       default = 8
+
+
+class DocTypeElement(Element):
+       id = 0x4282
+       name = 'DocType'
+       type = STRING
+       mandatory = True
+
+
+class DocTypeVersionElement(Element):
+       id = 0x4287
+       name = 'DocTypeVersion'
+       type = UINT
+       mandatory = True
+
+
+class DocTypeReadVersionElement(Element):
+       id = 0x4285
+       name = 'DocTypeReadVersion'
+       type = UINT
+       mandatory = True
+
+
+class EBMLElement(Element):
+       id = 0x1A45DFA3
+       name = 'EBML'
+       type = CONTAINER
+       children = (EBMLVersionElement, EBMLReadVersionElement, EBMLMaxIDLengthElement, EBMLMaxSizeLengthElement, DocTypeElement, DocTypeVersionElement, DocTypeReadVersionElement)
+       mandatory = True
+       multiple = True
+
+
+class EBMLDocument(Document):
+       children = (EBMLElement,)
+       globals = (CRC32Element, VoidElement, SignatureSlotElement)
\ No newline at end of file