pike.git / lib / modules / Calendar.pmod / mkrules.pike

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pike.git/lib/modules/Calendar.pmod/mkrules.pike:3:   // ftp://elsie.nci.nih.gov/pub/   // (timezone mailing list: tz@elsie.nci.nih.gov)   //   // source datafile are usually found somewhere around zic(8),   // if they exist in the system.   //   // Most systems only have compiled files, just like pike,   // and zic(8) is the usual compiler.      // pike mkrules.pike ../data/{africa,antarctica,asia,australasia,backward,etcetera,europe,northamerica,pacificnew,southamerica,systemv} - // $Id$ +       #pike __REAL_VERSION__      object cal=Calendar.ISO->set_timezone("UTC");   function Year=cal->Year;   object nleapy=Year(1999);      object tzrules; // needed to make timezones, compiled below      mapping rules=([]);   mapping zones=([]);   mapping links=([]);   array arules=({});   array azones=({});    -  + mapping(string:mapping(int:array(string))) abbr2zones = ([ +  "DFT":([ 0x7fffffff:({ "Europe/Oslo", "Europe/Paris" }), ]), +  "NFT":([ 0x7fffffff:({ "Europe/Oslo", "Europe/Paris" }), ]), + ]); +    #define FIXED(D) (yjd+((D)-1))   #define FIX_L(D) (yjd+leap+((D)-1))   #define LDAY(D,W) (yjd+((D)-1)-( (yjd+((D)+(8-W)-1)) % 7))   #define LDAYL(D,W) (yjd+((D)-1)+leap-( (yjd+leap+((D)+(8-W)-1)) % 7))      #define FIXID(id) replace(id,"/-+"/1,"__p"/1)    -  + void add_abbr(string abbr, string zone, int until) + { +  mapping(int:array(string)) zones = abbr2zones[abbr]; +  if (!zones) abbr2zones[abbr] = zones = ([]); +  zones[until] += ({ zone }); + } +    int parse_offset(string t)   {    int h,m,s;    string res;       if (t=="0") return 0;       res="";    if (sscanf(t,"-%d:%d:%d%s",h,m,s,res)&&res=="")    return -(h*3600+m*60+s);
pike.git/lib/modules/Calendar.pmod/mkrules.pike:103:    s=(a[4]=="-")?"":a[4];    break;    case 6:    [dayrule,comment,time,timetype,offset,s]=a;    break;    default:    error("illegal size of a\n");    }    }    -  string _sprintf(int t) +  protected string _sprintf(int t)    { -  return (t=='O')? +  return t=='O' &&    sprintf("Shift(%s,%d%s,%+d,%O)", -  dayrule,time,timetype,offset,s): -  0; +  dayrule,time,timetype,offset,s);    }       int `==(Shift other)    {    return ( dayrule==other->dayrule &&    time==other->time &&    timetype==other->timetype &&    offset==other->offset &&    s==other->s );    }
pike.git/lib/modules/Calendar.pmod/mkrules.pike:259:    int d,w;    if (sscanf(r,"FIX_L(%d)",d)) r=sprintf("FIXED(%d)",d+l);    else if (sscanf(r,"LDAYL(%d,%d)",d,w)==2)    r=sprintf("LDAY (%d,%d)",d+l,w);    }    return sprintf("({%-12s,%-10s,%-5d,%-6O}), %s",    r,t,offset,s,comment!=""?"// "+comment:"");    }   }    - class MyRule + class MyRule (string id)   { -  string id; -  +     mapping rules=([]);    -  +  multiset(string) symbols = (<>); +     int amt=0;    -  void create(string _id) { id=_id; } -  +     void add(string line)    {    array a= array_sscanf(line, replace("%s %s %s %s %s %s %s %[^\t ]",    " ","%*[ \t]"));       if (sizeof(a)<8) complain("illegal rule line format\n");    -  +  a[7] = (a[7]/" #")[0]; +  if (a[7] == "-") a[7] = ""; +  symbols[a[7]] = 1; +     if (!(int)a[0] && a[0]!="min")    complain("unknown year %O\n",a[0]);      // ---      #define INF_YEAR 2050   #define NUL_YEAR 1850       int y1=(int)a[0] || NUL_YEAR;    int y2;
pike.git/lib/modules/Calendar.pmod/mkrules.pike:445:       s=({last,@s});       last=Shift( ({"0","",0,"u",    s[-1]->offset,s[-1]->s}) );       return ({s, last});    }   }    - class Zone + class Zone (string id)   { -  string id; -  +     array rules=({});    -  void create(string _id) { id=_id; } -  +     void add(string line)    {    array a= array_sscanf(line, replace("%s %s %s %s",    " ","%*[ \t]"));    if (sizeof(a)<4)    complain("parse error\n");       a=({parse_offset(a[0]), // offset    a[1], // rule or added offset    a[2], // string    a[3],    0, 0, "tz", 0}); // until    a[5]=rule_shift(a);    a[4]=clone_rule(a);    -  +  if (sizeof(a[2])) { +  int until = (a[5] == "forever")?0x7fffffff:(int)a[5]; +  foreach(a[2]/"/", string fmt) { +  MyRule rule = global::rules[a[1]]; +  if (rule) { +  foreach(indices(rule->symbols), string sym) { +  if ((sizeof(sym) > 2) && (fmt != "%s")) continue; +  add_abbr(sprintf(fmt, sym), id, until); +  } +  } else if (a[1] == "Romania") { +  // Kludge for forward reference in tzdata2012c/europe +  // for Europe/Chisinau to the Romania rule. +  foreach(({ "", "S" }), string sym) { +  add_abbr(sprintf(fmt, sym), id, until); +  } +  } else { +  add_abbr(fmt, id, until); +  } +  } +  } +     rules+=({a});    }       string clone_rule(array a)    {    int h,m,s,roff=-17;    if (a[1]=="-") roff=0;    else if (sscanf(a[1],"-%d:%d:%d",h,m,s)==3) roff=h*3600+m*60+s;    else if (sscanf(a[1],"%d:%d:%d",h,m,s)==3) roff=h*3600+m*60+s;    else if (sscanf(a[1],"-%d:%d",h,m)==2) roff=h*3600+m*60;
pike.git/lib/modules/Calendar.pmod/mkrules.pike:634:    throw( sprintf(fmt,@args) );   }      void collect_rules(string file)   {    int n=0;    werror("reading %O...\n",file);    string s=Stdio.read_bytes(file),t;    if (!s)    { -  werror("%s:-: Failed to open file: %s\n",file,strerror(errno())); +  // NB: This file is often used with the system Pike, so +  // it can't use %m yet. +  werror("%s:-: Failed to open file: %s.\n", file, strerror(errno()));    return;    }       Zone lastz;    MyRule lastr;       foreach (s/"\n",string line)    {    n++;    mixed err=catch
pike.git/lib/modules/Calendar.pmod/mkrules.pike:694:   int main(int ac,array(string) am)   {    array(string) files = am[1..];    if (!sizeof(files))    {    werror("defaulting to reading zonefiles from %s...",    combine_path(__FILE__, "../tzdata"));    files = get_dir(combine_path(__FILE__, "../tzdata"));    files = map(sort(files),    lambda(string fname) { -  if ((< "CVS", "factory", "leapseconds", >)[fname] || +  if ((< ".gitignore", "Makefile", "Theory", +  "factory", "leapseconds", >)[fname] || +  (upper_case(fname) == fname) ||    has_prefix(fname, "solar") || -  +  has_suffix(fname, ".awk") || +  has_suffix(fname, ".list") || +  has_suffix(fname, ".pl") ||    has_suffix(fname, ".sh") ||    has_suffix(fname, ".tab")) return 0;    return combine_path(__FILE__, "../tzdata", fname);    }) - ({ 0 });    }    map(files, collect_rules);       write("thinking...\n");    -  string t=TZrules_base; +  string t="#pike "+__MAJOR__+"."+__MINOR__+"\n\n" + TZrules_base;       foreach (arules,MyRule r)    t+=r->dump();       tzrules=compile_string(t)();       mv("TZrules.pmod","TZrules.pmod~");    werror("writing TZrules.pmod (%d bytes)...",sizeof(t));    Stdio.File("TZrules.pmod","wtc")->write(t);    werror("\n");
pike.git/lib/modules/Calendar.pmod/mkrules.pike:766:    t+="constant "+FIXID(s)+"="+    FIXID(z->id)+";\n";    t+="\n";    }    };    if (err) if (stringp(err)) error(err); else throw(err);       t+=("\n"    "// "+"-"*70+"\n");    -  mv("TZs.pike","TZs.pike~"); +  mv("TZs.h","TZs.h~");    werror("writing TZs.h (%d bytes)...",sizeof(t));    Stdio.File("TZs.h","wtc")->write(t);    werror("\n");       mapping zs=([]);    foreach (azones,Zone z)    if (sscanf(z->id,"%s/%s",string s,string t)==2)    zs[s]=(zs[s]||({}))+({t});       // Read and parse the original TZnames.pmod file.
pike.git/lib/modules/Calendar.pmod/mkrules.pike:795:    "([\n";       multiset(string) zone_names = (multiset)indices(zs);       zone_names->SystemV = 0;    zone_names->Etc = 0;       // Historical ordering...    foreach (({"America", "Pacific", "Antarctica", "Atlantic", "Indian",    "Europe", "Africa", "Asia", "Australia" }), string co) { -  t+=(replace( -  sprintf(" %-13s({%-=63s\n", +  t += +  sprintf(" %-13s({%-=60s\n",    sprintf("%O:",co), -  map(zs[co],lambda(string s) { return sprintf("%O",s); }) -  *", "+"}),"),({", ",", "}),",,"/1)); +  map(sort(zs[co]),lambda(string s) { return sprintf("%O",s); }) +  *", "+"}),");    zone_names[co] = 0;    }    // Take care of any remaining zones (probably none). -  foreach (sort(indices(zone_names)),string co) -  t+=(replace( -  sprintf(" %-13s({%-=63s\n", +  foreach (sort(indices(zone_names)),string co) { +  t += +  sprintf(" %-13s({%-=60s\n",    sprintf("%O:",co), -  map(zs[co],lambda(string s) { return sprintf("%O",s); }) -  *", "+"}),"),({", ",", "}),",,"/1)); +  map(sort(zs[co]),lambda(string s) { return sprintf("%O",s); }) +  *", "+"}),"); +  }    t += "]);\n\n" +    fragments[1];    -  +  // Update the abbreviation table as well. +  fragments = t/" abbr2zones="; +  if (sizeof(fragments) == 1) fragments = t/" abbr2zones ="; +  if (sizeof(fragments) > 2) +  fragments = ({ fragments[0], fragments[1..] * " abbr2zones =" }); +  fragments[1] = (fragments[1]/"]);\n\n")[1..]*"]);\n\n"; +  +  t = fragments[0] + " abbr2zones =\n" +  "([\n"; +  +  foreach(sort(indices(abbr2zones)), string abbr) { +  string line = sprintf(" %q: ({", abbr); +  +  mapping(int:array(string)) info = abbr2zones[abbr]; +  array(string) zones = ({}); +  array(int) until = ({}); +  foreach(info; int us; array(string) zs) { +  zones += zs; +  until += allocate(sizeof(zs), -us); +  } +  // Sort so that the most recent use comes first, +  // and secondarily on the zone name. +  sort(zones, until); +  sort(until, zones); +  foreach(Array.uniq(zones); int i; string zone) { +  string seg = sprintf("%s%q", i?", ":"", zone); +  if (sizeof(line) + sizeof(seg) < 77) { +  line += seg; +  continue; +  } +  t += line + ",\n"; +  line = sprintf(" %q", zone); +  } +  t += line + "}),\n"; +  } +  +  t += "]);\n\n" + +  fragments[1]; +  +  // Cleanup white-space at end of line. +  string t2 = t; +  while ((t = replace(t2, +  ({ " \n", +  " \n", +  " \n", +  " \n", +  " \n", +  " \n", +  " \n", +  " \n", }), ({ "\n" })*8)) != t2) { +  t2 = t; +  } +     mv("TZnames.pmod","TZnames.pmod~");    werror("writing TZnames.pmod (%d bytes)...",sizeof(t));    Stdio.File("TZnames.pmod","wtc")->write(t);    werror("\n");       return 0;   }         string TZrules_base=
pike.git/lib/modules/Calendar.pmod/mkrules.pike:923:    array b=a[i+1];    if (jd<b[0]-1) break;    if (jd<b[0]+1 &&    ux<(b[0]-2440588)*86400+b[1]) break;    i++;    }       return ({offset_to_utc-a[i][2],tzformat(a[i][3])});    }    -  string _sprintf(int t) { return (t=='O')?\"Timezone(\"+name+\")\":0; } +  protected string _sprintf(int t) +  { +  return t=='O' && \"Timezone(\"+name+\")\"; +  }       int raw_utc_offset() { return offset_to_utc; }   }      // ----------------------------------------------------------------------   // DST Rules   // ----------------------------------------------------------------------      // useful macros   #define FIXED(D) (yjd+((D)-1))   #define FIX_L(D) (yjd+leap+((D)-1))   #define LDAY(D,W) (yjd+((D)-1)-( (yjd+((D)+(8-W)-1)) % 7))   #define LDAYL(D,W) (yjd+((D)-1)+leap-( (yjd+leap+((D)+(8-W)-1)) % 7))   #define UO offset_to_utc      // ----------------------------------------------------------------------   ";