From 37d3a1e152707d2da587440c4cea8601b9ef0fd2 Mon Sep 17 00:00:00 2001
From: eunhhu <necpition205@gmail.com>
Date: Sun, 27 Sep 2026 13:14:38 +0100
Subject: Lay Pure out as a core with the parts selected around it

The app model, the tree store and the HTTP host lived in
prototypes/connections among the earlier document runtime, the store was
known only by its format's name, and Vega compiled six Pure sources by path.
Now, as the README's principle has it:

  core/   runtime, flow and the app model (module*.c), with what the core
          asks of storage (state.h, store.h)
  store/  the tree store (PURETRE3, PUREREC1)
  serve/  pure-serve: HTTP host, outbound delivery, JSON in place
  cli/    pure-run, pure-edit-module

A top-level make builds libpure.a (app model and store, for hosts to link)
and the hosts; make check runs the store's and the app model's tests. The
earlier runtime still builds from prototypes/connections against core/ and
store/ (check, check-tree and check-core pass). Design 009 records the rule:
parts by role behind libraries; git repositories split by coupling, so the
store stays here while its contract moves with the core, and Vega stays apart.
---
 prototypes/connections/flow.c | 41 -----------------------------------------
 1 file changed, 41 deletions(-)
 delete mode 100644 prototypes/connections/flow.c

(limited to 'prototypes/connections/flow.c')

diff --git a/prototypes/connections/flow.c b/prototypes/connections/flow.c
deleted file mode 100644
index 1070c70..0000000
--- a/prototypes/connections/flow.c
+++ /dev/null
@@ -1,41 +0,0 @@
-#include "flow.h"
-#include <assert.h>
-
-void pure_transfer_abort(PureTransfer *t) {
-    if (!t->active) return;
-    PureRelease release = t->release;
-    void *owner = t->owner;
-    *t = (PureTransfer){0};
-    if (release) release(owner);
-}
-
-static void advance(PureTransfer *t) {
-    while (t->active && t->part < 2 && t->offset == t->spans[t->part].size) {
-        t->part++;
-        t->offset = 0;
-    }
-    if (t->active && t->part == 2) pure_transfer_abort(t);
-}
-
-void pure_transfer_init(PureTransfer *t, PureSpan header, PureSpan body,
-                        void *owner, PureRelease release) {
-    assert(!t->active);
-    assert((!header.size || header.data) && (!body.size || body.data));
-    *t = (PureTransfer){.spans = {header, body}, .owner = owner,
-                       .release = release, .active = true};
-    advance(t);
-}
-
-PureSpan pure_transfer_next(const PureTransfer *t, size_t limit) {
-    if (!t->active) return (PureSpan){0};
-    PureSpan span = t->spans[t->part];
-    size_t remaining = span.size - t->offset;
-    return (PureSpan){span.data + t->offset, remaining < limit ? remaining : limit};
-}
-
-bool pure_transfer_consume(PureTransfer *t, size_t bytes) {
-    if (!t->active || bytes > t->spans[t->part].size - t->offset) return false;
-    t->offset += bytes;
-    advance(t);
-    return true;
-}
-- 
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