two-split switch

[m6w6/ext-http] / scripts / gen_switch_utf8.php

diff --git a/scripts/gen_switch_utf8.php b/scripts/gen_switch_utf8.php
index 242450a2391e646dc68a17a3599f40aea9fad639..f1811d8bfdf27d58a32d6714ab9d1878f864bd76 100755 (executable)
--- a/scripts/gen_switch_utf8.php
+++ b/scripts/gen_switch_utf8.php
@@ -9,12 +9,19 @@ set_error_handler(function($c, $e, $f, $l) {
 $i18n = $argc >= 2 ? $argv[1] : "/usr/share/i18n/locales/i18n";
 
 $b = 10;
+$m = 0xfffff000 >> $b;
+$b2 = 8;
+$x = $m >> $b2;
 
 $f = fopen($i18n, "r");
 $c = false;
 $a = false;
 
 ob_start(null, 0xfffff);
+
+printf("/* generated on %s with\n b = %d\n m = 0x%08x\n b2= %d\n*/", 
+       strftime("%x %X"), $b, $m, $b2);
+
 while (!feof($f)) {
        $line = fgets($f);
        if (!$c && $line !== "LC_CTYPE\n") {
@@ -57,7 +64,7 @@ while (!feof($f)) {
                                        sscanf($sstart, "<U%X>", $start);
                                        break;
                                }
-                               $r[$start >> $b][]=[$start,$end,$step];
+                               $r[$start >> $b][($start & $m) >> $b2][]=[$start,$end,$step];
                        }
                }
                break;
@@ -73,9 +80,12 @@ while (!feof($f)) {
 
 function sp($sp, $ch = " ") { return str_repeat($ch, $sp); }
 printf("switch (ch >> %d) {\n", $b);
-foreach ($r as $sw => $specs) {
+foreach ($r as $sw => $sws) {
        printf("case 0x%08X:\n", $sw);
-       $sp = 1;
+       printf(" switch((ch & 0x%08X) >> %d) {\n", $m, $b2);
+       foreach ($sws as $sw2 => $specs) {
+       printf(" case 0x%08X:\n", $sw2);
+       $sp = 2;
        foreach ($specs as list($start, $end, $step)) {
                if ($end) {
                        if ($step > 1) {
@@ -90,7 +100,9 @@ foreach ($r as $sw => $specs) {
                        printf("%sif (ch == 0x%08X) return 1;\n", sp($sp), $start);
                }
        }
-       printf(" %s\n break;\n", sp(--$sp, "}"));
+       printf("  %s\n  break;\n", sp($sp-2, "}"));
+       }
+       printf(" }\n break;\n");
 }
 printf("}\n");