2016-01-12 16:26:00

1 files changed, 107 insertions, 0 deletions

diff --git a/tex/context/base/mkiv/util-ran.lua b/tex/context/base/mkiv/util-ran.lua
new file mode 100644
index 000000000..50d0a7082
--- /dev/null
+++ b/tex/context/base/mkiv/util-ran.lua
@@ -0,0 +1,107 @@
+if not modules then modules = { } end modules ['util-ran'] = {
+    version   = 1.001,
+    comment   = "companion to luat-lib.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local random  = math.random
+local concat = table.concat
+local sub, upper = string.sub, string.upper
+
+local randomizers     = utilities.randomizers or { }
+utilities.randomizers = randomizers
+
+local l_one = "bcdfghjklmnpqrstvwxz"
+local l_two = "aeiouy"
+
+local u_one = upper(l_one)
+local u_two = upper(l_two)
+
+local n_one = #l_one
+local n_two = #l_two
+
+function randomizers.word(min,max,separator)
+    local t = { }
+    for i=1,random(min,max) do
+        if i % 2 == 0 then
+            local r = random(1,n_one)
+            t[i] = sub(l_one,r,r)
+        else
+            local r = random(1,n_two)
+            t[i] = sub(l_two,r,r)
+        end
+    end
+    return concat(t,separator)
+end
+
+function randomizers.initials(min,max)
+    if not min then
+        if not max then
+            min, max = 1, 3
+        else
+            min, max = 1, min
+        end
+    elseif not max then
+        max = min
+    end
+    local t = { }
+    local n = random(min or 1,max or 3)
+    local m = 0
+    for i=1,n do
+        m = m + 1
+        if i % 2 == 0 then
+            local r = random(1,n_one)
+            t[m] = sub(u_one,r,r)
+        else
+            local r = random(1,n_two)
+            t[m] = sub(u_two,r,r)
+        end
+        m = m + 1
+        t[m] = "."
+    end
+    return concat(t)
+end
+
+function randomizers.firstname(min,max)
+    if not min then
+        if not max then
+            min, max = 3, 10
+        else
+            min, max = 1, min
+        end
+    elseif not max then
+        max = min
+    end
+    local t = { }
+    local n = random(min,max)
+    local b = true
+    if n % 2 == 0 then
+        local r = random(1,n_two)
+        t[1] = sub(u_two,r,r)
+        b = true
+    else
+        local r = random(1,n_one)
+        t[1] = sub(u_one,r,r)
+        b = false
+    end
+    for i=2,n do
+        if b then
+            local r = random(1,n_one)
+            t[i] = sub(l_one,r,r)
+            b = false
+        else
+            local r = random(1,n_two)
+            t[i] = sub(l_two,r,r)
+            b = true
+        end
+    end
+    return concat(t,separator)
+end
+
+randomizers.surname = randomizers.firstname
+
+-- for i=1,10 do
+--     print(randomizers.initials(1,3),randomizers.firstname(5,10),randomizers.surname(5,15))
+-- end