added directory mode

.gitignore

@@ -1,2 +1,3 @@
 __pycache__
 *.jpg
+*.png

config.json

@@ -17,5 +17,8 @@
     "margins": [20, 20, 20, 20],
     "arrowMargin": 4,
     "valuesGap": 5,
-    "arrowLabelDistance": 5
+    "arrowLabelDistance": 5,
+    "forceDescsOnSide": false,
+    "width": 1200,
+    "height": 800
 }

config.py

@@ -1,6 +1,7 @@
 import json
 import re
 
+
 class Config:
     DEFAULT_FONT_FAMILY = "Ubuntu Mono"
     DEFAULT_FONT_SIZE = 16
@@ -21,6 +22,10 @@ class Config:
     ARROW_MARGIN = 4
     VALUES_GAP = 5
     ARROW_LABEL_DISTANCE = 5
+    FORCE_DESCS_ON_SIDE = False
+    LEFT_LABELS = False
+    WIDTH = 1200
+    HEIGHT = 800
     
     def __init__(self, path: str = "config.json") -> None:
         self.load(path)

main.py

@@ -3,6 +3,7 @@ import os
 
 from schema import InstructionSetSchema
 
+
 description = """Examples:
     - Default theme (black on white):
         python main.py schema.xml -o out.jpg
@@ -15,20 +16,51 @@ description = """Examples:
 
     - Transparent background:
         python main.py schema.xml -o out.png -c transparent.json
+    
+    - Directory mode:
+        python main.py -d -o images/ schemas/
 """
 
+
+def processFile(inPath, outPath, confPath, display):
+    schema = InstructionSetSchema(inPath, confPath, display)
+    schema.save(outPath)
+
+
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description=description, formatter_class=argparse.RawTextHelpFormatter)
     parser.add_argument("schema", help="Path to the schema description. Accepted formats are: YAML, JSON and XML")
     parser.add_argument("-o", "--output", help="Output path. By default, the output file will have the same name as the schema description with the extension .png")
     parser.add_argument("-c", "--config", help="Path to the config file", default="config.json")
     parser.add_argument("-D", "--display", help="Enable pygame display of the result", action="store_true")
+    parser.add_argument("-d", "--directory", help="Enable directory mode. If set, the input and output paths are directories and all files inside the input directory are processed", action="store_true")
     
     args = parser.parse_args()
     
+    if args.directory:
+        if not os.path.isdir(args.schema):
+            print(f"{args.schema} is not a directory")
+            exit(-1)
+        
+        output = args.output
+        if output is None:
+            output = args.schema
+        
+        if not os.path.isdir(output):
+            print(f"{output} is not a directory")
+            exit(-1)
+        
+        paths = os.listdir(args.schema)
+        for path in paths:
+            inPath = os.path.join(args.schema, path)
+            outPath = os.path.join(output, path)
+            outPath = os.path.splitext(outPath)[0] + ".png"
+            
+            processFile(inPath, outPath, args.config, args.display)
+    
+    else:
         output = args.output
         if output is None:
             output = os.path.splitext(args.schema)[0] + ".png"
         
-    schema = InstructionSetSchema(args.schema, args.config, args.display)
+        processFile(args.schema, output, args.config, args.display)
-    schema.save(output)

range.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
+
 from typing import Union
 
+
 class Range:
     def __init__(self,
                  start: int,
@@ -16,6 +18,7 @@ class Range:
         self.description = description
         self.values = values
         self.dependsOn = dependsOn
+        self.lastValueY = -1
     
     @property
     def bits(self) -> int:

renderer.py

@@ -1,28 +1,28 @@
 from __future__ import annotations
+
 import os
 from typing import TYPE_CHECKING
-if TYPE_CHECKING:
-    from config import Config
-    from range import Range
-    from schema import InstructionSetSchema
 
 import pygame
 
 from structure import Structure
 from vec import Vec
 
-class Renderer:
+if TYPE_CHECKING:
-    WIDTH = 1200
+    from config import Config
-    HEIGHT = 800
+    from range import Range
+    from schema import InstructionSetSchema
 
+
+class Renderer:
     def __init__(self, config: Config, display: bool = False) -> None:
         self.config = config
         self.display = display
         pygame.init()
         if self.display:
-            self.win = pygame.display.set_mode([Renderer.WIDTH, Renderer.HEIGHT])
+            self.win = pygame.display.set_mode([self.config.WIDTH, self.config.HEIGHT])
         
-        self.surf = pygame.Surface([Renderer.WIDTH, Renderer.HEIGHT], pygame.SRCALPHA)
+        self.surf = pygame.Surface([self.config.WIDTH, self.config.HEIGHT], pygame.SRCALPHA)
         self.font = pygame.font.SysFont(self.config.DEFAULT_FONT_FAMILY, self.config.DEFAULT_FONT_SIZE)
         self.italicFont = pygame.font.SysFont(self.config.ITALIC_FONT_FAMILY, self.config.ITALIC_FONT_SIZE, italic=True)
         
@@ -31,7 +31,12 @@ class Renderer:
     def render(self, schema: InstructionSetSchema) -> None:
         self.surf.fill(self.config.BACKGROUND_COLOR)
         
-        self.drawStructure(schema.structures["main"], schema.structures, self.margins[3], self.margins[0])
+        mainStruct: Structure = schema.structures["main"]
+        ox = self.margins[3]
+        if self.config.LEFT_LABELS:
+            ox = self.config.WIDTH - self.margins[3] - mainStruct.bits * self.config.BIT_WIDTH
+        
+        self.drawStructure(schema.structures["main"], schema.structures, ox, self.margins[0])
         
         if self.display:
             name = os.path.basename(schema.path)
@@ -45,8 +50,7 @@ class Renderer:
     
     def drawStructure(self,
                       struct: Structure,
-                      structures: dict[str,
+                      structures: dict[str, Structure],
-                      Structure],
                       ox: float = 0,
                       oy: float = 0) -> float:
         
@@ -77,7 +81,21 @@ class Renderer:
                 pygame.draw.line(self.surf, borderCol, [bitX, bitsY], [bitX, bitsY + bitH])
         
         ranges = struct.getSortedRanges()
-        descX = ox + max(0, (struct.bits-12) * bitW)
+        if self.config.LEFT_LABELS:
+            ranges.reverse()
+        
+        if self.config.FORCE_DESCS_ON_SIDE:
+            if self.config.LEFT_LABELS:
+                descX = self.config.WIDTH - self.margins[3] - structures["main"].bits * bitW
+            else:
+                descX = self.margins[3] + structures["main"].bits * bitW
+        
+        else:
+            if self.config.LEFT_LABELS:
+                descX = ox + struct.bits * bitW
+            else:
+                descX = ox
+        
         descY = bitsY + bitH * 2
         
         # Names + simple descriptions
@@ -123,10 +141,16 @@ class Renderer:
         bitH = self.config.BIT_HEIGHT
         arrowMargin = self.config.ARROW_MARGIN
         
+        if endX > startX:
+            endX -= arrowMargin
+        
+        else:
+            endX += arrowMargin
+        
         pygame.draw.lines(self.surf, self.config.LINK_COLOR, False, [
             [startX, startY + bitH*1.5],
             [startX, endY + bitH/2],
-            [endX - arrowMargin, endY + bitH/2]
+            [endX, endY + bitH/2]
         ])
     
     def drawDescription(self,
@@ -140,6 +164,9 @@ class Renderer:
         bitW = self.config.BIT_WIDTH
         bitH = self.config.BIT_HEIGHT
         
+        if self.config.LEFT_LABELS:
+            descX = min(descX, rStartX + rWidth/2 - bitW)
+        else:
             descX = max(descX, rStartX + rWidth/2 + bitW)
         
         self.drawUnderbracket(rStartX, rStartX + rWidth, rStartY)
@@ -148,12 +175,17 @@ class Renderer:
         self.drawLink(midX, rStartY, descX, descY)
         
         descTxt = self.font.render(range_.description, True, self.config.TEXT_COLOR)
-        self.surf.blit(descTxt, [descX, descY + (bitH - descTxt.get_height())/2])
+        txtX = descX
+        
+        if self.config.LEFT_LABELS:
+            txtX -= descTxt.get_width()
+        
+        self.surf.blit(descTxt, [txtX, descY + (bitH - descTxt.get_height())/2])
         
         descY += descTxt.get_height()
         
         if range_.values is not None and range_.dependsOn is None:
-            descX, descY = self.drawValues(range_.values, descX, descY)
+            txtX, descY = self.drawValues(range_.values, txtX, descY)
         
         descY += self.config.DESCRIPTION_MARGIN
         
@@ -191,8 +223,13 @@ class Renderer:
         rWidth = range_.bits * bitW
         
         self.drawUnderbracket(rStartX, rStartX + rWidth, bitsY)
-        prevY = bitsY + bitH * 1.5
         dependRange = struct.ranges[range_.dependsOn]
+        prevRangeY = bitsY + bitH * 1.5
+        if dependRange.lastValueY == -1:
+            prevDependY = bitsY + bitH * 1.5
+        else:
+            prevDependY = dependRange.lastValueY
+        
         dependStartI = struct.bits - dependRange.end - 1
         dependStartX = bitsX + dependStartI * bitW
         dependWidth = dependRange.bits * bitW
@@ -200,7 +237,7 @@ class Renderer:
         self.drawUnderbracket(dependStartX, dependStartX + dependWidth, bitsY)
         
         for val, data in sorted(range_.values.items(), key=lambda vd: vd[0]):
-            self.drawArrow(dependMid, prevY, dependMid, descY - arrowMargin)
+            self.drawArrow(dependMid, prevDependY, dependMid, descY - arrowMargin)
             
             valRanges = {}
             for i in range(dependRange.bits):
@@ -232,11 +269,13 @@ class Renderer:
             self.drawArrow(x1, y, x2, y, data["description"])
             
             self.drawArrow(rStartX + rWidth - bitW,
-                           prevY,
+                           prevRangeY,
                            rStartX + rWidth - bitW,
                            descY + bitH - arrowMargin)
 
-            prevY = descY + bitH*2 + arrowMargin
+            prevDependY = descY + bitH*2 + arrowMargin
+            prevRangeY =prevDependY
+            dependRange.lastValueY = prevDependY
             descY = self.drawStructure(structures[data["structure"]], structures, rStartX, descY)
         
         return (descX, descY)

schema.py

@@ -1,5 +1,6 @@
 import json
 import os
+
 import yaml
 
 from config import Config
@@ -7,9 +8,11 @@ from renderer import Renderer
 from structure import Structure
 from xml_loader import XMLLoader
 
+
 class UnsupportedFormatException(Exception):
     ...
 
+
 class InstructionSetSchema:
     VALID_EXTENSIONS = ("yaml", "json", "xml")
     

structure.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
+
 from range import Range
 
+
 class Structure:
     def __init__(self,
                  name: str,

vec.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
+
 from math import sqrt
 
+
 class Vec:
     def __init__(self, x: float = 0, y: float = 0) -> None:
         self.x = x

xml_loader.py

@@ -1,7 +1,9 @@
 from __future__ import annotations
-from bs4 import BeautifulSoup
+
 from typing import TYPE_CHECKING
 
+from bs4 import BeautifulSoup
+
 if TYPE_CHECKING:
     from io import TextIOWrapper