fixed dependency numbering error

gallery/test.json

@@ -0,0 +1,105 @@
+{
+    "structures": {
+        "main": {
+            "bits": 32,
+            "ranges": {
+                "31-28": {
+                    "name": "cond"
+                },
+                "27": {
+                    "name": "0"
+                },
+                "26": {
+                    "name": "1"
+                },
+                "25": {
+                    "name": "I"
+                },
+                "24": {
+                    "name": "P",
+                    "description": "pre / post indexing bit",
+                    "values": {
+                        "0": "post, add offset after transfer",
+                        "1": "pre, add offset before transfer"
+                    }
+                },
+                "23": {
+                    "name": "U",
+                    "description": "up / down bit",
+                    "values": {
+                        "0": "down, subtract offset from base",
+                        "1": "up, addition offset to base"
+                    }
+                },
+                "22": {
+                    "name": "B",
+                    "description": "byte / word bit",
+                    "values": {
+                        "0": "transfer word quantity",
+                        "1": "transfer byte quantity"
+                    }
+                },
+                "21": {
+                    "name": "W",
+                    "description": "write-back bit",
+                    "values": {
+                        "0": "no write-back",
+                        "1": "write address into base"
+                    }
+                },
+                "20": {
+                    "name": "L",
+                    "description": "load / store bit",
+                    "values": {
+                        "0": "store to memory",
+                        "1": "load from memory"
+                    }
+                },
+                "19-16": {
+                    "name": "Rn",
+                    "description": "base register"
+                },
+                "15-12": {
+                    "name": "Rd",
+                    "description": "source / destination register"
+                },
+                "11-0": {
+                    "name": "offset",
+                    "depends-on": "25",
+                    "values": {
+                        "0": {
+                            "description": "offset is an immediate value",
+                            "structure": "immediateOffset"
+                        },
+                        "1": {
+                            "description": "offset is a register",
+                            "structure": "registerOffset"
+                        }
+                    }
+                }
+            }
+        },
+        "immediateOffset": {
+            "bits": 12,
+            "ranges": {
+                "11-0": {
+                    "name": "12-bit immediate offset",
+                    "description": "unsigned number"
+                }
+            }
+        },
+        "registerOffset": {
+            "bits": 12,
+            "ranges": {
+                "11-4": {
+                    "name": "shift",
+                    "description": "shift applied to Rm"
+                },
+                "3-0": {
+                    "name": "Rm",
+                    "description": "offset register"
+                }
+            }
+        }
+    }
+}

gallery/test.typ

@@ -1,7 +1,16 @@
 #import "../src/lib.typ": *
 
-#let test = schema.load("/gallery/test.yaml")
-#schema.render(test, config: config.blueprint(
-  full-page: true,
-  default-font-family: "Ubuntu Mono"
+#let test-yaml = schema.load("/gallery/test.yaml")
+#schema.render(test-yaml, config: config.config(
+  full-page: true
+))
+
+#let test-json = schema.load("/gallery/test.json")
+#schema.render(test-json, config: config.blueprint(
+  full-page: true
+))
+
+#let test-xml = schema.load("/gallery/test.xml")
+#schema.render(test-xml, config: config.dark(
+  full-page: true
 ))

gallery/test.xml

@@ -0,0 +1,68 @@
+<schema>
+    <structure id="main" bits="32">
+        <range start="28" end="31" name="cond"></range>
+        <range start="27" end="27" name="0"></range>
+        <range start="26" end="26" name="1"></range>
+        <range start="25" end="25" name="I"></range>
+        <range start="24" end="24" name="P">
+            <description>pre / post indexing bit</description>
+            <values>
+                <case value="0">post, add offset after transfer</case>
+                <case value="1">pre, add offset before transfer</case>
+            </values>
+        </range>
+        <range start="23" end="23" name="U">
+            <description>up / down bit</description>
+            <values>
+                <case value="0">down, subtract offset from base</case>
+                <case value="1">up, addition offset to base</case>
+            </values>
+        </range>
+        <range start="22" end="22" name="B">
+            <description>byte / word bit</description>
+            <values>
+                <case value="0">transfer word quantity</case>
+                <case value="1">transfer byte quantity</case>
+            </values>
+        </range>
+        <range start="21" end="21" name="W">
+            <description>write-back bit</description>
+            <values>
+                <case value="0">no write-back</case>
+                <case value="1">write address into base</case>
+            </values>
+        </range>
+        <range start="20" end="20" name="L">
+            <description>load / store bit</description>
+            <values>
+                <case value="0">store to memory</case>
+                <case value="1">load from memory</case>
+            </values>
+        </range>
+        <range start="16" end="19" name="Rn">
+            <description>base register</description>
+        </range>
+        <range start="12" end="15" name="Rd">
+            <description>source / destination register</description>
+        </range>
+        <range start="0" end="11" name="offset" depends-on="25">
+            <values>
+                <case value="0" structure="immediateOffset">offset is an immediate value</case>
+                <case value="1" structure="registerOffset">offset is a register</case>
+            </values>
+        </range>
+    </structure>
+    <structure id="immediateOffset" bits="12">
+        <range start="0" end="11" name="12-bit immediate offset">
+            <description>unsigned number</description>
+        </range>
+    </structure>
+    <structure id="registerOffset" bits="12">
+        <range start="4" end="11" name="shift">
+            <description>shift applied to Rm</description>
+        </range>
+        <range start="0" end="3" name="Rm">
+            <description>offset register</description>
+        </range>
+    </structure>
+</schema>

src/schema.typ

@@ -1,13 +1,10 @@
 #import "config.typ" as conf
 #import "renderer.typ"
 #import "structure.typ"
+#import "xml-loader.typ"
 
 #let valid-extensions = ("yaml", "json", "xml")
 
-#let parse-xml(path) = {
-  panic("TODO")
-}
-
 #let parse-file(path) = {
   let ext = path.split(".").last()
 
@@ -22,7 +19,7 @@
   } else if ext == "json" {
     return json(path)
   } else if ext == "xml" {
-    return parse-xml(path)
+    return xml-loader.load(path)
   }
 }
 

src/structure.typ

@@ -1,4 +1,4 @@
-#import "range.typ"
+#import "range.typ" as rng
 #import "util.typ"
 
 #let make(
@@ -20,30 +20,33 @@
   let ranges = (:)
 
   for (range-span, range-data) in data.ranges {
-    let (start, end) = range.parse-span(str(range-span))
+    let (start, end) = rng.parse-span(str(range-span))
     ranges.insert(
-      range.key(start, end),
-      range.load(start, end, range-data)
+      rng.key(start, end),
+      rng.load(start, end, range-data)
     )
   }
 
-  for range_ in ranges.values() {
+  let ranges2 = (:)
+  for (k, range_) in ranges {
     if range_.values != none and range_.depends-on != none {
-      let depends-key = range.key(..range_.depends-on)
+      let depends-key = rng.key(..range_.depends-on)
       let depends-range = ranges.at(depends-key)
-      let bits = range.bits(depends-range)
+      let bits = rng.bits(depends-range)
       let values = (:)
       for (v, d) in range_.values {
         v = util.z-fill(str(int(v)), bits)
         values.insert(v, d)
       }
+      range_.values = values
     }
+    ranges2.insert(k, range_)
   }
 
   return make(
     id,
     int(data.bits),
-    ranges,
+    ranges2,
     start: data.at("start", default: 0)
   )
 }

src/xml-loader.typ

@@ -0,0 +1,100 @@
+#let find(elmt, tag) = {
+  if not "children" in elmt {
+    return none
+  }
+
+  return elmt.children.find(e => "tag" in e and e.tag == tag)
+}
+
+#let find-all(elmt, tag) = {
+  if not "children" in elmt {
+    return ()
+  }
+
+  return elmt.children.filter(e => "tag" in e and e.tag == tag)
+}
+
+#let parse-values(elmt) = {
+  let values = (:)
+  let case-elmts = find-all(elmt, "case")
+
+  for case-elmt in case-elmts {
+    let val = case-elmt.attrs.value
+    let desc = case-elmt.children.first()
+    let struct = none
+    if "structure" in case-elmt.attrs {
+      struct = case-elmt.attrs.structure
+    }
+
+    values.insert(val, 
+      if struct != none {
+        (
+          description: desc,
+          structure: struct
+        )
+      } else {
+        desc
+      }
+    )
+  }
+
+  return values
+}
+
+#let parse-range(elmt) = {
+  let range_ = (
+    name: elmt.attrs.name
+  )
+  let desc = none
+  if "children" in elmt {
+    desc = find(elmt, "description")
+  }
+
+  if desc != none {
+    range_.insert("description", desc.children.first())
+  }
+
+  let values-elmt = find(elmt, "values")
+  if values-elmt != none {
+    range_.insert("values", parse-values(values-elmt))
+  }
+
+  if "depends-on" in elmt.attrs {
+    range_.insert("depends-on", elmt.attrs.depends-on)
+  }
+
+  return range_
+}
+
+#let parse-structure(elmt) = {
+  let ranges = (:)
+  let range-elmts = elmt.children.filter(e => "tag" in e and e.tag == "range")
+
+  for range-elmt in range-elmts {
+    let span = range-elmt.attrs.end + "-" + range-elmt.attrs.start
+    ranges.insert(span, parse-range(range-elmt))
+  }
+
+  return (
+    bits: elmt.attrs.bits,
+    ranges: ranges
+  )
+}
+
+#let load(path) = {
+  let content = xml(path).first()
+  let struct-elmts = content.children.filter(e => "tag" in e and e.tag == "structure")
+
+  let structures = (:)
+
+  for struct-elmt in struct-elmts {
+    structures.insert(
+      struct-elmt.attrs.id,
+      parse-structure(struct-elmt)
+    )
+  }
+
+  return (
+    structures: structures
+  )
+}