browser: render all "text/*" Gemini responses

BOARD.txt

@@ -4,7 +4,7 @@ TODO                                    DONE
                                         links
                                         redirections
                                         web links
-                                        history
+                                        history (back/forward)
                                         simple caching
                                         simple text files
                                         encodings
@@ -14,6 +14,7 @@ non shit command-line
 home page
 downloads
 media files
+view history
 identity management
 configuration
 --------------------------------------------------------------------------------

bebop/browser/file.py

@@ -18,7 +18,7 @@ def open_file(browser: Browser, filepath: str, encoding="utf-8", history=True):
     except (OSError, ValueError) as exc:
         browser.set_status_error(f"Failed to open file: {exc}")
         return
-    browser.load_page(Page.from_gemtext(text))
+    browser.load_page(Page.from_text(text))
     file_url = "file://" + filepath
     if history:
         browser.history.push(file_url)

bebop/browser/gemini.py

@@ -84,7 +84,9 @@ def handle_response_content(browser: Browser, response: Response) -> int:
     According to the MIME type received or inferred, render or download the
     response's content.
 
-    Currently only text/gemini content is rendered.
+    Currently only text content is rendered. For Gemini, the encoding specified
+    in the response is used, if available on the Python distribution. For other
+    text formats, only UTF-8 is attempted.
 
     Arguments:
     - response: a successful Response.
@@ -108,7 +110,9 @@ def handle_response_content(browser: Browser, response: Response) -> int:
             browser.load_page(Page.from_gemtext(text))
             return 0
         else:
-            pass  # TODO
+            text = response.content.decode("utf-8", errors="replace")
+            browser.load_page(Page.from_text(text))
+            return 0
     else:
         pass  # TODO
     return 1

bebop/metalines.py

@@ -94,6 +94,11 @@ def generate_metalines(elements, width):
     return metalines
 
 
+def generate_dumb_metalines(lines):
+    """Generate dumb metalines: all lines are given the PARAGRAPH line type."""
+    return [({"type": LineType.PARAGRAPH}, line) for line in lines]
+
+
 def format_title(title: Title, context: dict):
     """Return metalines for this title."""
     width = context["width"]

bebop/page.py

@@ -1,7 +1,7 @@
 from dataclasses import dataclass, field
 
 from bebop.gemtext import parse_gemtext, Title
-from bebop.metalines import generate_metalines
+from bebop.metalines import generate_dumb_metalines, generate_metalines
 from bebop.links import Links
 
 
@@ -10,6 +10,7 @@ class Page:
     """Page-related data.
 
     Attributes:
+    - source: str used to create the page.
     - metalines: lines ready to be rendered.
     - links: Links instance, mapping IDs to links on the page; this data is
       redundant as the links' URLs/IDs are already available in the
@@ -28,3 +29,9 @@ class Page:
         elements, links, title = parse_gemtext(gemtext)
         metalines = generate_metalines(elements, 80)
         return Page(gemtext, metalines, links, title)
+
+    @staticmethod
+    def from_text(text: str):
+        """Produce a Page for a text string."""
+        metalines = generate_dumb_metalines(text.splitlines())
+        return Page(text, metalines)