TotemBar v0.2.5

core/pulseparse.lua

@@ -0,0 +1,52 @@
+-- TotemBar - core/pulseparse.lua
+-- PURE parser: periodic combat-log line -> totem name (or nil). Used by
+-- ui.lua's CHAT_MSG_SPELL_PERIODIC_* handler to re-anchor pulse phase on
+-- REAL observed ticks. Lua 5.0: string.find with captures only (no
+-- string.match / no method-call syntax). Offline-tested via
+-- tools/luatests/test_pulseparse.lua; exact accepted wordings get refined
+-- from /tb pulsecal telemetry.
+
+TotemBar = TotemBar or {}
+
+-- Strips a trailing roman-numeral rank suffix (" IV", " VII", ...) - the
+-- totem-as-caster shape names the ranked unit ("Healing Stream Totem VII").
+local function stripRank(src)
+    local _, _, base = string.find(src, "^(.-)%s+[IVXLC]+$")
+    if base and base ~= "" then
+        return base
+    end
+    return src
+end
+
+-- Maps a raw source name to a totem name: alias table first (buff names
+-- like "Mana Spring"), then any source ending in " Totem".
+local function resolveSource(src)
+    local alias = TotemBar.PULSE_SOURCE_ALIASES and TotemBar.PULSE_SOURCE_ALIASES[src]
+    if alias then
+        return alias
+    end
+    -- Every totem's name ends in " Totem" (rank suffixes already stripped),
+    -- so anchor at the end - a plain substring test would false-positive on
+    -- player names like "Totemguy".
+    if string.find(src, "%sTotem$") then
+        return src
+    end
+    return nil
+end
+
+function TotemBar.parseSelfGain(msg)
+    if not msg then
+        return nil
+    end
+    local _, _, src = string.find(msg, "^You gain %d+ [Mm]ana from (.+)%.$")
+    if not src then
+        _, _, src = string.find(msg, "^You gain %d+ [Hh]ealth from (.+)%.$")
+    end
+    if not src then
+        _, _, src = string.find(msg, "^(.-) heals you for %d+%.$")
+    end
+    if not src then
+        return nil
+    end
+    return resolveSource(stripRank(src))
+end