From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001
From: Nicholas <nbnoll@eml.cc>
Date: Fri, 12 Nov 2021 09:22:01 -0800
Subject: chore: simplified organizational structure

---
 sys/libutf/vendor/common.c | 220 ---------------------------------------------
 1 file changed, 220 deletions(-)
 delete mode 100644 sys/libutf/vendor/common.c

(limited to 'sys/libutf/vendor/common.c')

diff --git a/sys/libutf/vendor/common.c b/sys/libutf/vendor/common.c
deleted file mode 100644
index 5a03a50..0000000
--- a/sys/libutf/vendor/common.c
+++ /dev/null
@@ -1,220 +0,0 @@
-#include "common.h"
-
-// -----------------------------------------------------------------------
-// input functions
-
-int
-parse(io·Stream *io, int nfield, char **field, int len, char *line)
-{
-    int n;
-    if((n=io·readln(io, len, line)) <= 0)
-        return ParseEOF;
-
-    if(n == len)
-        panicf("line too long");
-
-    if(line[n-1] != '\n')
-        panicf("invalid line: expected '\n', found '%c'", line[n]);
-
-    line[n-1] = 0;
-
-    if(line[0] == '#' || line[0] == 0)
-        return ParseSkip;
-
-    /* tokenize line into fields */
-    n = 0;
-    field[n] = line;
-    while(*line){
-        if(*line == ';'){
-            *line = 0;
-            field[++n] = line+1;
-        }
-        line++;
-    }
-
-    if(n != nfield-1)
-        panicf("expected %d number of fields, got %d: %s", nfield, n, line);
-
-    return ParseOK;
-}
-
-int
-codepoint(char *s)
-{
-    int c, b;
-
-    c = 0;
-    while((b=*s++)){
-        c <<= 4;
-        if(b >= '0' && b <= '9')
-            c += b - '0';
-        else if(b >= 'A' && b <= 'F')
-            c += b - 'A' + 10;
-        else
-            panicf("bad codepoint char '%c'", b);
-    }
-
-    return c;
-}
-
-void
-codepointrange(io·Stream *utf8, char *field[NumFields], int *start,  int *stop)
-{
-    int e, c;
-    char *other[NumFields], line[1024];
-
-    // XXX: the stop variable passes in the previous stopping character
-    e = *stop;
-    c = codepoint(field[Fcode]);
-
-    if(c >= NumRunes)
-        panicf("unexpected large codepoint %x", c);
-    if(c <= e)
-        panicf("bad code sequence: %x then %x", e, c);
-    e = c;
-
-    if(strstr(field[Fname], ", First>") != nil){
-        if(!parse(utf8, arrlen(other), other, arrlen(line), line))
-            panicf("range start at end of file");
-        if(strstr(other[Fname], ", Last>") == nil)
-            panicf("range start not followed by range end");
-
-        e = codepoint(other[Fcode]);
-
-        if(e <= c)
-            panicf("bad code sequence: %x then %x", c, e);
-        if(strcmp(field[Fcategory], other[Fcategory]) != 0)
-            panicf("range with mismatched category");
-    }
-
-    *start = c;
-    *stop  = e;
-}
-
-// -----------------------------------------------------------------------
-// output functions
-
-void
-putsearch(void)
-{
-    puts(
-        "#include <u.h>\n"
-        "#include <libutf.h>\n"
-        "\n"
-        "static\n"
-        "rune*\n"
-        "rangesearch(rune c, rune *t, int n, int ne)\n"
-        "{\n"
-        "   rune *p;\n"
-        "   int m;\n"
-        "   while(n > 1) {\n"
-        "   m = n >> 1;\n"
-        "   p = t + m*ne;\n"
-        "   if(c >= p[0]){\n"
-        "       t = p;\n"
-        "       n = n-m;\n"
-        "   }else\n"
-        "       n = m;\n"
-        "   }\n"
-        "   if(n && c >= t[0])\n"
-        "       return t;\n"
-        "   return 0;\n"
-        "}\n"
-    );
-
-}
-
-int
-putrange(char *ident, char *prop, int force)
-{
-    int l, r, start;
-
-    start = 0;
-    for(l = 0; l < NumRunes;) {
-        if(!prop[l]){
-            l++;
-            continue;
-        }
-
-        for(r = l+1; r < NumRunes; r++){
-            if(!prop[r])
-                break;
-            prop[r] = 0;
-        }
-
-        if(force || r > l + 1){
-            if(!start){
-                printf("static rune %s[] = {\n", ident);
-                start = 1;
-            }
-            prop[l] = 0;
-            printf("\t0x%.4x, 0x%.4x,\n", l, r-1);
-        }
-
-        l = r;
-    }
-
-    if(start)
-        printf("};\n\n");
-
-    return start;
-}
-
-int
-putpair(char *ident, char *prop)
-{
-    int l, r, start;
-
-    start = 0;
-    for(l=0; l+2 < NumRunes; ){
-        if(!prop[l]){
-            l++;
-            continue;
-        }
-
-        for(r = l + 2; r < NumRunes; r += 2){
-            if(!prop[r])
-                break;
-            prop[r] = 0;
-        }
-
-        if(r != l + 2){
-            if(!start){
-                printf("static rune %s[] = {\n", ident);
-                start = 1;
-            }
-            prop[l] = 0;
-            printf("\t0x%.4x, 0x%.4x,\n", l, r - 2);
-        }
-
-        l = r;
-    }
-
-    if(start)
-        printf("};\n\n");
-    return start;
-}
-
-int
-putsingle(char *ident, char *prop)
-{
-    int i, start;
-
-    start = 0;
-    for(i = 0; i < NumRunes; i++) {
-        if(!prop[i])
-            continue;
-
-        if(!start){
-            printf("static rune %s[] = {\n", ident);
-            start = 1;
-        }
-        prop[i] = 0;
-        printf("\t0x%.4x,\n", i);
-    }
-
-    if(start)
-        printf("};\n\n");
-
-    return start;
-}
-- 
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