Add parsing logic

poetry.lock

@@ -66,6 +66,46 @@ optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
 version = "1.1.1"
 
+[[package]]
+category = "dev"
+description = "Optional static typing for Python"
+name = "mypy"
+optional = false
+python-versions = ">=3.5"
+version = "0.800"
+
+[package.dependencies]
+mypy-extensions = ">=0.4.3,<0.5.0"
+typed-ast = ">=1.4.0,<1.5.0"
+typing-extensions = ">=3.7.4"
+
+[package.extras]
+dmypy = ["psutil (>=4.0)"]
+
+[[package]]
+category = "dev"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
+name = "mypy-extensions"
+optional = false
+python-versions = "*"
+version = "0.4.3"
+
+[[package]]
+category = "dev"
+description = "a fork of Python 2 and 3 ast modules with type comment support"
+name = "typed-ast"
+optional = false
+python-versions = "*"
+version = "1.4.2"
+
+[[package]]
+category = "dev"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+name = "typing-extensions"
+optional = false
+python-versions = "*"
+version = "3.7.4.3"
+
 [[package]]
 category = "main"
 description = "The comprehensive WSGI web application library."
@@ -79,7 +119,7 @@ dev = ["pytest", "pytest-timeout", "coverage", "tox", "sphinx", "pallets-sphinx-
 watchdog = ["watchdog"]
 
 [metadata]
-content-hash = "b9f532f610ddec69914e59c13e5dc4b49e8d5a89a6365c4e32bfaea736dae4c8"
+content-hash = "27f45d27293b2411af59f2d60572508a045af3d996d09cd45001f73388f721fd"
 lock-version = "1.0"
 python-versions = "^3.8"
 
@@ -139,6 +179,71 @@ markupsafe = [
     {file = "MarkupSafe-1.1.1-cp38-cp38-win_amd64.whl", hash = "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"},
     {file = "MarkupSafe-1.1.1.tar.gz", hash = "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b"},
 ]
+mypy = [
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+    {file = "mypy-0.800-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:947126195bfe4709c360e89b40114c6746ae248f04d379dca6f6ab677aa07641"},
+    {file = "mypy-0.800-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:b95068a3ce3b50332c40e31a955653be245666a4bc7819d3c8898aa9fb9ea496"},
+    {file = "mypy-0.800-cp35-cp35m-win_amd64.whl", hash = "sha256:ca7ad5aed210841f1e77f5f2f7d725b62c78fa77519312042c719ed2ab937876"},
+    {file = "mypy-0.800-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:e32b7b282c4ed4e378bba8b8dfa08e1cfa6f6574067ef22f86bee5b1039de0c9"},
+    {file = "mypy-0.800-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:e497a544391f733eca922fdcb326d19e894789cd4ff61d48b4b195776476c5cf"},
+    {file = "mypy-0.800-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:5615785d3e2f4f03ab7697983d82c4b98af5c321614f51b8f1034eb9ebe48363"},
+    {file = "mypy-0.800-cp36-cp36m-win_amd64.whl", hash = "sha256:2b216eacca0ec0ee124af9429bfd858d5619a0725ee5f88057e6e076f9eb1a7b"},
+    {file = "mypy-0.800-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:e3b8432f8df19e3c11235c4563a7250666dc9aa7cdda58d21b4177b20256ca9f"},
+    {file = "mypy-0.800-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:d16c54b0dffb861dc6318a8730952265876d90c5101085a4bc56913e8521ba19"},
+    {file = "mypy-0.800-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:0d2fc8beb99cd88f2d7e20d69131353053fbecea17904ee6f0348759302c52fa"},
+    {file = "mypy-0.800-cp37-cp37m-win_amd64.whl", hash = "sha256:aa9d4901f3ee1a986a3a79fe079ffbf7f999478c281376f48faa31daaa814e86"},
+    {file = "mypy-0.800-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:319ee5c248a7c3f94477f92a729b7ab06bf8a6d04447ef3aa8c9ba2aa47c6dcf"},
+    {file = "mypy-0.800-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:74f5aa50d0866bc6fb8e213441c41e466c86678c800700b87b012ed11c0a13e0"},
+    {file = "mypy-0.800-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:a301da58d566aca05f8f449403c710c50a9860782148332322decf73a603280b"},
+    {file = "mypy-0.800-cp38-cp38-win_amd64.whl", hash = "sha256:b9150db14a48a8fa114189bfe49baccdff89da8c6639c2717750c7ae62316738"},
+    {file = "mypy-0.800-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:f5fdf935a46aa20aa937f2478480ebf4be9186e98e49cc3843af9a5795a49a25"},
+    {file = "mypy-0.800-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:6f8425fecd2ba6007e526209bb985ce7f49ed0d2ac1cc1a44f243380a06a84fb"},
+    {file = "mypy-0.800-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:5ff616787122774f510caeb7b980542a7cc2222be3f00837a304ea85cd56e488"},
+    {file = "mypy-0.800-cp39-cp39-win_amd64.whl", hash = "sha256:90b6f46dc2181d74f80617deca611925d7e63007cf416397358aa42efb593e07"},
+    {file = "mypy-0.800-py3-none-any.whl", hash = "sha256:3e0c159a7853e3521e3f582adb1f3eac66d0b0639d434278e2867af3a8c62653"},
+    {file = "mypy-0.800.tar.gz", hash = "sha256:e0202e37756ed09daf4b0ba64ad2c245d357659e014c3f51d8cd0681ba66940a"},
+]
+mypy-extensions = [
+    {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
+    {file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
+]
+typed-ast = [
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:7703620125e4fb79b64aa52427ec192822e9f45d37d4b6625ab37ef403e1df70"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:c9aadc4924d4b5799112837b226160428524a9a45f830e0d0f184b19e4090487"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux2014_aarch64.whl", hash = "sha256:9ec45db0c766f196ae629e509f059ff05fc3148f9ffd28f3cfe75d4afb485412"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-win32.whl", hash = "sha256:85f95aa97a35bdb2f2f7d10ec5bbdac0aeb9dafdaf88e17492da0504de2e6400"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-win_amd64.whl", hash = "sha256:9044ef2df88d7f33692ae3f18d3be63dec69c4fb1b5a4a9ac950f9b4ba571606"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:c1c876fd795b36126f773db9cbb393f19808edd2637e00fd6caba0e25f2c7b64"},
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+    {file = "typed_ast-1.4.2.tar.gz", hash = "sha256:9fc0b3cb5d1720e7141d103cf4819aea239f7d136acf9ee4a69b047b7986175a"},
+]
+typing-extensions = [
+    {file = "typing_extensions-3.7.4.3-py2-none-any.whl", hash = "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"},
+    {file = "typing_extensions-3.7.4.3-py3-none-any.whl", hash = "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918"},
+    {file = "typing_extensions-3.7.4.3.tar.gz", hash = "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c"},
+]
 werkzeug = [
     {file = "Werkzeug-1.0.1-py2.py3-none-any.whl", hash = "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43"},
     {file = "Werkzeug-1.0.1.tar.gz", hash = "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"},

pyproject.toml

@@ -10,10 +10,11 @@ flask = "^1.1.2"
 flask-login = "^0.5.0"
 
 [tool.poetry.dev-dependencies]
+mypy = "^0.800"
 
 [tool.poetry.scripts]
+redstring-check = "redstring.parser:main"
 redstring-server = "redstring.server:main"
-redstring-cli = "redstring.parser:main"
 
 [build-system]
 requires = ["poetry>=0.12"]

redstring/__init__.py

@@ -0,0 +1,2 @@
+import redstring.parser
+import redstring.server

redstring/parser.py

@@ -1,3 +1,283 @@
-def main():
+"""
-    print("Hello, world!")
+Logic for reading and writing documents from files.
-    print(__name__)
+"""
+import argparse
+from collections import OrderedDict
+import json
+from typing import Any, List, IO
+
+
+#
+# Types
+#
+
+
+class TabOptions:
+    """
+    Display options for tabs.
+    """
+    _PRIORITY_KEY = 'priority'
+    _HIDE_NAMES_KEY = 'hide_names'
+    _PRIVATE_KEY = 'private'
+
+    def __init__(self, **kwargs) -> None:
+        self.options: dict = OrderedDict(**kwargs)
+
+    @property
+    def priority(self) -> int:
+        """Priority determines tab order."""
+        return self.options.get(self._PRIORITY_KEY, 0)
+
+    @priority.setter
+    def priority(self, value: int):
+        self.options[self._PRIORITY_KEY] = value
+
+    @property
+    def hide_names(self) -> bool:
+        """Hide the tag name column in the web view."""
+        return self.options.get(self._HIDE_NAMES_KEY, False)
+
+    @hide_names.setter
+    def hide_names(self, value: bool):
+        self.options[self._HIDE_NAMES_KEY] = value
+
+    @property
+    def private(self) -> bool:
+        """Hide the tab from unauthenticated viewers."""
+        return self.options.get(self._PRIVATE_KEY, False)
+
+    @private.setter
+    def private(self, value: bool):
+        self.options[self._PRIVATE_KEY] = value
+
+
+class TagOptions:
+    """
+    Display options for tags.
+    """
+    _HYPERLINK_KEY = 'hyperlink'
+    _INTERLINK_KEY = 'interlink'
+    _PRIVATE_KEY = 'private'
+
+    def __init__(self, **kwargs) -> None:
+        self.options = OrderedDict(**kwargs)
+        # Tag value is a hyperlink
+        self.hyperlink: bool = kwargs.get('hyperlink', False)
+        # Tag value contains redstring interlinks
+        self.interlink: bool = kwargs.get('interlink', False)
+        # Hide the tag from unauthenticated viewers
+        self.private: bool = kwargs.get('private', False)
+
+    @property
+    def hyperlink(self) -> bool:
+        return self.options.get(self._HYPERLINK_KEY, False)
+
+    @hyperlink.setter
+    def hyperlink(self, value: bool):
+        self.options[self._HYPERLINK_KEY] = value
+
+    @property
+    def interlink(self) -> bool:
+        return self.options.get(self._INTERLINK_KEY, False)
+
+    @hyperlink.setter
+    def interlink(self, value: bool):
+        self.options[self._INTERLINK_KEY] = value
+
+    @property
+    def private(self) -> bool:
+        """Hide the tab from unauthenticated viewers."""
+        return self.options.get(self._PRIVATE_KEY, False)
+
+    @private.setter
+    def private(self, value: bool):
+        self.options[self._PRIVATE_KEY] = value
+
+
+class DocumentSubtag:
+    """
+    A keyvalue describing a document subject.
+    """
+    def __init__(self, name: str, value: str, options: TagOptions) -> None:
+        self.name: str = name
+        self.value: str = value
+        self.options: TagOptions = options
+
+
+class DocumentTag:
+    """
+    A keyvalue describing a document subject. It may have subtags.
+    """
+    def __init__(
+        self,
+        name: str,
+        value: str,
+        options: TagOptions,
+        subtags: List[DocumentSubtag]
+    ) -> None:
+        self.name: str = name
+        self.value = value
+        self.options = options
+        self.subtags = subtags
+
+
+class DocumentTab:
+    """
+    A division of tags within a document.
+    """
+    def __init__(self, tags: List[DocumentTag], options: TabOptions) -> None:
+        self.tags: List[DocumentTag] = tags
+        self.options: TabOptions = options
+
+    def __iter__(self):
+        return self.tags.__iter__()
+
+
+class Document:
+    """
+    Top-level document definition.
+    """
+    def __init__(self, tabs: List[DocumentTab]) -> None:
+        self.tabs: List[DocumentTab] = tabs
+
+    def __iter__(self):
+        return self.tabs.__iter__()
+
+
+#
+# Parsing functions
+#
+
+
+def load(fd: IO) -> Document:
+    """
+    Load a document from a file descriptor.
+    """
+    parsed_json: list = json.load(fd, object_pairs_hook=OrderedDict)
+    return parse_document_from_json(parsed_json)
+
+
+def loads(string: str) -> Document:
+    """
+    Load a document from a string.
+    """
+    parsed_json: list = json.loads(string, object_pairs_hook=OrderedDict)
+    return parse_document_from_json(parsed_json)
+
+
+def parse_document_from_json(parsed_json: list) -> Document:
+    """
+    Parses JSON into a Document object.
+    """
+    # Parse tabs
+    tabs: List[DocumentTab] = []
+    for tab_json in parsed_json:
+        if type(tab_json) is not dict:
+            raise ValueError()
+        tabs.append(parse_tab_from_json(tab_json))
+
+    return Document(tabs)
+
+
+def parse_tab_from_json(tab_json: dict) -> DocumentTab:
+    """
+    Parses JSON into a DocumentTab object.
+    """
+    # Parse tab options
+    if 'options' not in tab_json:
+        raise ValueError()
+    options_json: dict = tab_json['options']
+    options: TabOptions = TabOptions(**options_json)
+
+    # Parse tags
+    if 'tags' not in tab_json:
+        raise ValueError()
+    tags_json: list = tab_json['tags']
+    tags: List[DocumentTag] = []
+    for tag_json in tags_json:
+        if type(tag_json) is not dict:
+            raise ValueError()
+        tags.append(parse_tag_from_json(tag_json))
+
+    return DocumentTab(tags, options)
+
+
+def parse_tag_from_json(tag_json: dict) -> DocumentTag:
+    """
+    Parses JSON into a DocumentTag object.
+    """
+    # Parse name
+    if 'name' not in tag_json:
+        raise ValueError()
+    name: str = tag_json['name']
+
+    # Parse value
+    if 'value' not in tag_json:
+        raise ValueError()
+    value: str = tag_json['value']
+
+    # Parse tag options
+    if 'options' not in tag_json:
+        raise ValueError()
+    options_json: dict = tag_json['options']
+    options: TagOptions = TagOptions(**options_json)
+
+    # Parse subtags
+    if 'subtags' not in tag_json:
+        raise ValueError()
+    subtags_json: list = tag_json['subtags']
+    subtags: List[DocumentSubtag] = []
+    for subtag_json in subtags_json:
+        if type(subtag_json) is not dict:
+            raise ValueError()
+        subtags.append(parse_subtag_from_json(subtag_json))
+
+    return DocumentTag(name, value, options, subtags)
+
+
+def parse_subtag_from_json(subtag_json: dict) -> DocumentSubtag:
+    """
+    Parses JSON into a DocumentSubtag object.
+    """
+    # Parse name
+    if 'name' not in subtag_json:
+        raise ValueError()
+    name: str = subtag_json['name']
+
+    # Parse value
+    if 'value' not in subtag_json:
+        raise ValueError()
+    value: str = subtag_json['value']
+
+    # Parse tag options
+    if 'options' not in subtag_json:
+        raise ValueError()
+    options_json: dict = subtag_json['options']
+    options: TagOptions = TagOptions(**options_json)
+
+    return DocumentSubtag(name, value, options)
+
+
+#
+# CLI functions
+#
+
+
+def check(files):
+    """
+    Checks a list  of files for syntactical validity.
+    """
+    for file in files:
+        with open(file) as f:
+            try:
+                load(f)
+                print(f'OK     {file}')
+            except:
+                print(f'ERROR  {file}')
+
+
+def main() -> Any:
+    parser = argparse.ArgumentParser(description='Test a serialized redstring document file for validity.')
+    parser.add_argument('file', nargs='+', help='Files to check')
+    args = parser.parse_args()
+    check(args.file)