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/*
* Copyright 2005-2018 ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
/*
* C Implementation: grib_options
*
*/
#include "grib_tools.h"
#ifdef GRIB_ON_WINDOWS
/* Microsoft Windows Visual Studio support */
#include "wingetopt.h"
#endif
char* names[]={"parameter","vertical","geography","data","mars","local"};
int names_count=6;
/* id,args,help */
grib_options_help grib_options_help_list[] ={
{"a",0,"Dump aliases.\n"},
{"b:","key,key,...",
"\n\t\tAll the keys in this list are skipped in the comparison. Bit-by-bit compare on.\n"},
{"B:","order by directive",
"\n\t\tOrder by. The output will be ordered according to the order by directive."
"\n\t\tOrder by example: \"step asc, centre desc\" (step ascending and centre descending)\n"},
{"c:","key[:i/d/s/n],key[:i/d/s/n],...",
"\n\t\tOnly the listed keys or namespaces (:n) are compared. The optional letter after the colon is used "
"\n\t\tto force the type in the comparison: i->integer, d->float, s->string, n->namespace."
"\n\t\tSee -a option. Incompatible with -H option.\n"},
{"d:","value",
"\n\t\tSet all the data values to \"value\".\n"},
{"e:","tolerance","\n\t\tOnly values whose difference is more than tolerance are considered different.\n"},
{"f",0,"Force. Force the execution not to fail on error.\n"},
{"F:","format","\n\t\tC style format for floating point values.\n"},
{"g",0,"Copy GTS header. \n"},
{"G",0,"GRIBEX compatibility mode.\n"},
{"i:","index",
"\n\t\tData value corresponding to the given index is printed.\n"},
{"j",0,"JSON mode (JavaScript Object Notation).\n"},
{"l:","Latitude,Longitude[,MODE,file]",
"\n\t\tValue close to the point of a Latitude/Longitude."
"\n\t\tAllowed values for MODE are:"
"\n\t\t4 (4 values in the nearest points are printed) Default"
"\n\t\t1 (the value at the nearest point is printed)"
"\n\t\tfile (file is used as mask. The closer point with mask value>=0.5 is printed)\n"
},
{"n:","namespace",
"\n\t\tAll the keys belonging to namespace are printed.\n"},
{"m",0,"Mars keys are printed.\n"},
{"o:","output_grib_file",
"\n\t\tOutput grib is written to output_grib_file."
"\n\t\tIf an output grib file is required and -o is not used, the"
" output grib is written to filtered.out\n"},
{"p:","key[:{s/d/i}],key[:{s/d/i}],...",
"\n\t\tDeclaration of keys to print."
"\n\t\tFor each key a string (key:s), a double (key:d) or an integer (key:i)"
"\n\t\ttype can be requested. Default type is string.\n"},
{"q",0,"Quiet.\n"},
{"r",0,"Repack data. Sometimes after setting some keys involving properties"
"\n\t\tof the packing algorithm a repacking of data is needed."
"\n\t\tThis repacking is performed setting this -r option.\n"},
{"s:","key[:{s/d/i}]=value,key[:{s/d/i}]=value,...",
"\n\t\tKey/values to set."
"\n\t\tFor each key a string (key:s), a double (key:d) or an integer (key:i)"
"\n\t\ttype can be defined. By default the native type is set.\n"},
{"t",0,"Print type information.\n"},
{"w:","key[:{s/d/i}]{=/!=}value,key[:{s/d/i}]{=/!=}value,...",
"\n\t\tWhere clause."
"\n\t\tGrib messages are processed only if they match all the"
" key/value constraints."
"\n\t\tA valid constraint is of type key=value or key!=value."
"\n\t\tFor each key a string (key:s), a double (key:d) or"
" an integer (key:i)\n\t\ttype can be specified. Default type is string.\n"},
{"v",0,"Verbose.\n"},
{"7",0,"Does not fail when the message has wrong length\n"},
{"A:","absolute error\n",
"\tCompare floating point values using the absolute error as tolerance.\n\t\tDefault is absolute error=0\n"},
{"C",0,"C code mode. A C code program generating the grib message is dumped.\n"},
{"D",0,"Debug mode.\n"},
{"H",0,"Print octet content in hexadecimal format.\n"},
{"M",0,"Multi-field support off. Turn off support for multiple fields in single grib message.\n"},
{"O",0,"Octet mode. WMO documentation style dump.\n"},
{"P:","key[:{s/d/i}],key[:{s/d/i}],...",
"\n\t\tAs -p adding the declared keys to the default list.\n"},
{"R:","key1=relative_error1,key2=relative_error2,...\n",
"\tCompare floating point values using the relative error as tolerance."
"\n\t\tkey1=relative_error will compare key1 using relative_error1."
"\n\t\tall=relative_error will compare all the floating point keys using relative_error. Default all=0.\n"},
{"S",0,"Strict. Only grib messages matching all the constraints are copied to"
"\n\t\tthe output file\n"},
{"T:","T | B | A","Message type. T->GTS, B->BUFR, A->Any (Experimental).\n\t\t\tThe input file is interpreted according to the message type.\n"},
{"V",0,"Version.\n"},
{"W:","width","\n\t\tMinimum width of each column in output. Default is 10.\n"},
{"X:","offset","\n\t\tInput file offset in bytes. Processing of the input file will start from \"offset\".\n"},
{"x",0,"Fast parsing option, only headers are loaded.\n"},
{"k:","key1,key2,...","\n\t\tSpecify a list of keys to index on. By default the input files are indexed on the MARS keys."
"\n\t\tFor each key a string (key:s) or a double (key:d) or an integer (key:i)"
"\n\t\ttype can be requested.\n"}
};
int grib_options_help_count=sizeof(grib_options_help_list)/sizeof(grib_options_help);
void grib_usage(void)
{
int i=0;
printf("\nNAME \t%s\n\n",grib_tool_name);
printf("DESCRIPTION\n\t%s\n\n",grib_tool_description);
printf("USAGE \n\t%s %s\n\n",grib_tool_name,grib_tool_usage);
printf("OPTIONS\n");
for (i=0;i<grib_options_count;i++) {
if (grib_options[i].command_line)
printf("\t-%c %s\t%s",grib_options[i].id[0],
grib_options_get_args(grib_options[i].id),
grib_options_get_help(grib_options[i].id));
}
printf("\n\n");
exit(1);
}
char* grib_options_get_option(const char* id)
{
int i=0;
for (i=0; i<grib_options_count; i++) {
if (!strcmp(id,grib_options[i].id))
return grib_options[i].value;
}
return NULL;
}
int grib_options_command_line(const char* id)
{
int i=0;
for (i=0; i<grib_options_count; i++) {
if (!strcmp(id,grib_options[i].id))
return grib_options[i].command_line;
}
return 0;
}
int grib_options_on(const char* id)
{
int i=0;
for (i=0; i<grib_options_count; i++) {
if (!strcmp(id,grib_options[i].id))
return grib_options[i].on;
}
return 0;
}
int grib_get_runtime_options(int argc,char** argv,grib_runtime_options* options)
{
int i=0,c=0;
char* optstr=(char*)calloc(1,2*grib_options_count*sizeof(char));
if (!optstr) return GRIB_OUT_OF_MEMORY;
for (i=0;i<grib_options_count;i++)
if (grib_options[i].command_line)
strncat(optstr,grib_options[i].id,2);
while ((c = getopt (argc, argv, optstr)) != -1) {
if (c == '?') grib_usage();
i=0;
while ( i < grib_options_count && grib_options[i].id[0] != c) i++;
grib_options[i].on=1;
if ( grib_options[i].id[1] == ':' )
grib_options[i].value=optarg;
}
free(optstr);
return 0;
}
int grib_process_runtime_options(grib_context* context,int argc,char** argv,grib_runtime_options* options)
{
int i=0,ret=0;
int has_output=0;int has_input_extra=0,nfiles=0;
char *karg=NULL,*warg=NULL,*sarg=NULL,*barg=NULL;
if (grib_options_on("V")) {
printf("\ngrib_api Version ");
grib_print_api_version(stdout);
printf("\n\n");
exit(0);
}
if (grib_options_on("B:"))
options->orderby=grib_options_get_option("B:");
if (grib_options_on("x")) options->headers_only=1;
else options->headers_only=0;
if (grib_options_on("T:")) {
char* x=grib_options_get_option("T:");
if ( *x == 'T' ) options->mode=MODE_GTS;
else if ( *x == 'B' ) options->mode=MODE_BUFR;
else if ( *x == 'A' ) options->mode=MODE_ANY;
else options->mode=MODE_GRIB;
}
if (grib_options_on("F:"))
options->format=grib_options_get_option("F:");
else
options->format=strdup("%g");
if (grib_options_on("i:")) {
options->index_on=1;
options->index=atoi(grib_options_get_option("i:"));
}
if (grib_options_on("l:"))
options->latlon=grib_options_get_option("l:");
if (grib_options_on("X:"))
options->infile_offset=atol(grib_options_get_option("X:"));
#ifndef GRIB_ON_WINDOWS
/* Check at compile time to ensure our file offset is at least 64 bits */
COMPILE_TIME_ASSERT( sizeof(options->infile_offset) >= 8 );
#endif
has_output=grib_options_on("U");
has_input_extra=grib_options_on("I");
options->repack=grib_options_on("r");
options->gts=grib_options_on("g");
if (grib_options_on("d:")) {
options->constant=atof(grib_options_get_option("d:"));
options->repack=1;
}
if (grib_options_on("G")) grib_gribex_mode_on(context);
nfiles=argc-optind;
if ( nfiles < (1+has_output+has_input_extra) && !options->infile ) grib_usage();
if (has_input_extra) {
options->infile_extra=(grib_tools_file*)calloc(1,sizeof(grib_tools_file));
options->infile_extra->name=argv[optind];
}
if (!options->infile) {
for (i=optind+has_input_extra;i<argc-has_output;i++) {
grib_tools_file* p=NULL;
grib_tools_file* infile=(grib_tools_file*)calloc(1,sizeof(grib_tools_file));
infile->name=argv[i];
if (!options->infile) options->infile=infile;
else {
p=options->infile;
while(p->next) p=p->next;
p->next=infile;
}
}
}
if (has_output) {
options->outfile=(grib_tools_file*)calloc(1,sizeof(grib_tools_file));
options->outfile->name=strdup(argv[argc-1]);
}
if (grib_options_on("o:")) {
options->outfile=(grib_tools_file*)calloc(1,sizeof(grib_tools_file));
options->outfile->name=grib_options_get_option("o:");
}
options->print_number=grib_options_on("N");
options->print_header=grib_options_on("H");
options->verbose=grib_options_on("v");
if (grib_options_on("q") && grib_options_command_line("q"))
options->verbose=0;
options->fail=!grib_options_on("f");
if (grib_options_get_option("W:"))
options->default_print_width=atoi(grib_options_get_option("W:"));
if (grib_options_on("n:"))
options->name_space=grib_options_get_option("n:");
if (grib_options_on("m"))
options->name_space=strdup("mars");
if (grib_options_on("P:")) karg=grib_options_get_option("P:");
else if (grib_options_on("p:")) {
karg=grib_options_get_option("p:");
options->name_space=NULL;
}
options->requested_print_keys_count=MAX_KEYS;
ret = parse_keyval_string(grib_tool_name,karg,0,GRIB_TYPE_UNDEFINED,
options->requested_print_keys,&(options->requested_print_keys_count));
if (ret == GRIB_INVALID_ARGUMENT) grib_usage();
GRIB_CHECK_NOLINE(ret,0);
options->strict=grib_options_on("S");
if (grib_options_on("M")) grib_multi_support_off(context);
else grib_multi_support_on(context);
if (grib_options_on("g")) grib_gts_header_on(context);
else grib_gts_header_off(context);
if (grib_options_on("V")) {
printf("\ngrib_api Version ");
grib_print_api_version(stdout);
printf("\n\n");
}
if (grib_options_on("s:")) {
sarg=grib_options_get_option("s:");
options->set_values_count=MAX_KEYS;
ret=parse_keyval_string(grib_tool_name, sarg,1,GRIB_TYPE_UNDEFINED,options->set_values,&(options->set_values_count));
if (ret == GRIB_INVALID_ARGUMENT) grib_usage();
}
if (grib_options_on("b:")) {
barg=grib_options_get_option("b:");
options->set_values_count=MAX_KEYS;
ret=parse_keyval_string(grib_tool_name,barg,0,GRIB_TYPE_STRING,options->set_values,&(options->set_values_count));
if (ret == GRIB_INVALID_ARGUMENT) grib_usage();
}
if (grib_options_on("c:")) {
sarg=grib_options_get_option("c:");
options->compare_count=MAX_KEYS;
ret=parse_keyval_string(grib_tool_name,sarg,0,GRIB_TYPE_UNDEFINED,options->compare,
&(options->compare_count));
if (ret == GRIB_INVALID_ARGUMENT) grib_usage();
}
if (grib_options_on("e")) {
for (i=0;i<names_count; i++) {
options->compare[i+options->compare_count].name=names[i];
options->compare[i+options->compare_count].type=GRIB_NAMESPACE;
}
options->compare_count+=names_count;
}
warg=grib_options_get_option("w:");
options->constraints_count=MAX_KEYS;
ret=parse_keyval_string(grib_tool_name,warg,1,GRIB_TYPE_UNDEFINED,
options->constraints,&(options->constraints_count));
if (ret == GRIB_INVALID_ARGUMENT) grib_usage();
return GRIB_SUCCESS;
}
char* grib_options_get_help(char* id)
{
int i=0;
char msg[]="ERROR: help not found for option ";
char* err=(char*)calloc(1,sizeof(msg)+3);
sprintf(err,"%s%c\n",msg,*id);
for (i=0; i<grib_options_count;i++) {
if (!strcmp(id,grib_options[i].id)) {
if (grib_options[i].help != NULL) return grib_options[i].help;
else break;
}
}
for (i=0; i<grib_options_help_count;i++) {
if (!strcmp(id,grib_options_help_list[i].id)) {
return grib_options_help_list[i].help != NULL ? grib_options_help_list[i].help : err;
}
}
return err;
}
char* grib_options_get_args(char* id)
{
int i=0;
char empty[]="";
char msg[]="ERROR: help not found for option -";
char* err=NULL;
if (id[1] != ':') return strdup(empty);
err=(char*)calloc(1,sizeof(msg)+3);
sprintf(err,"%s%c\n",msg,*id);
for (i=0; i<grib_options_count;i++) {
if (!strcmp(id,grib_options[i].id)) {
if (grib_options[i].args != NULL) return grib_options[i].args;
else break;
}
}
for (i=0; i<grib_options_help_count;i++) {
if (!strcmp(id,grib_options_help_list[i].id)) {
return grib_options_help_list[i].args != NULL ? grib_options_help_list[i].args : err;
}
}
return err;
}
void usage_doxygen()
{
int i=0;
printf("/*! \\page %s %s\n",grib_tool_name,grib_tool_name);
printf("\\section DESCRIPTION \n %s\n\n",grib_tool_description);
printf("\\section USAGE \n %s \n %s\n\n",grib_tool_name,grib_tool_usage);
printf("\\section OPTIONS \n");
for (i=0;i<grib_options_count;i++) {
if (grib_options[i].command_line) {
printf("-%c %s \\n",
grib_options[i].id[0],
grib_options_get_args(grib_options[i].id));
printf(" %s \\n \\n ",
grib_options_get_help(grib_options[i].id));
}
}
exit(1);
}
#if 0
void usage_doxygen() {
int i=0;
printf("/*! \\page %s %s\n",grib_tool_name,grib_tool_name);
printf("\\section DESCRIPTION \n%s\n\n",grib_tool_description);
printf("\\section USAGE \n%s \n%s\n\n",grib_tool_name,grib_tool_usage);
printf("\\section OPTIONS\n");
printf("<table frame=void border=0>\n");
for (i=0;i<grib_options_count;i++) {
if (grib_options[i].command_line) {
printf("<tr>\n");
printf("<td colspan=2>-%c %s</td>\n",
grib_options[i].id[0],
grib_options_get_args(grib_options[i].id));
printf("</tr><tr>\n");
printf("<td width=20></td><td>%s</td>",
grib_options_get_help(grib_options[i].id));
printf("</tr><tr><td></td></tr>\n");
}
}
printf("</table>\n");
exit(1);
}
#endif
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