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/**
*** XMLLINT command response program.
***
*** See Copyright for the status of this software.
***
*** Author: Patrick Monnerat <pm@datasphere.ch>, DATASPHERE S.A.
**/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <qshell.h>
/* Variable-length string, with 16-bit length. */
typedef struct {
short len;
char string[5000];
} vary2;
/* Variable-length string, with 32-bit length. */
typedef struct {
int len;
char string[5000];
} vary4;
/* Multiple occurrence parameter list. */
#define paramlist(itemsize, itemtype) \
_Packed struct { \
short len; \
union { \
char _pad[itemsize]; \
itemtype param; \
} item[1]; \
}
/* Arguments from CL command. */
typedef struct {
char * pgm; /* Program name. */
vary2 * stmf; /* XML file name or URL. */
vary2 * dtd; /* DTD location or public identifier. */
char * dtdvalid; /* *DTDURL or *DTDFPI. */
vary2 * schema; /* Schema file name or URL. */
vary2 * schemakind; /* --schema/--relaxng/--schematron. */
vary2 * outstmf; /* Output stream file name. */
vary2 * xpath; /* XPath filter. */
vary2 * pattern; /* Reader filter pattern. */
paramlist(5000 + 2, vary2) * path; /* Path for resources. */
vary2 * pretty; /* Pretty-print style. */
unsigned long * maxmem; /* Maximum dynamic memory. */
vary2 * encoding; /* Output encoding. */
paramlist(20 + 2, vary2) * options; /* Other options. */
} arguments;
/* Definition of QSHELL program. */
extern void qshell(vary4 * cmd);
#pragma linkage(qshell, OS)
#pragma map(qshell, "QSHELL/QZSHQSHC")
static void
vary4nappend(vary4 * dst, const char * src, size_t len)
{
if (len > sizeof(dst->string) - dst->len)
len = sizeof(dst->string) - dst->len;
if (len) {
memcpy(dst->string + dst->len, src, len);
dst->len += len;
}
}
static void
vary4append(vary4 * dst, const char * src)
{
vary4nappend(dst, src, strlen(src));
}
static void
vary4arg(vary4 * dst, const char * arg)
{
vary4nappend(dst, " ", 1);
vary4append(dst, arg);
}
static void
vary4varg(vary4 * dst, vary2 * arg)
{
vary4nappend(dst, " ", 1);
vary4nappend(dst, arg->string, arg->len);
}
static void
vary4vescape(vary4 * dst, vary2 * arg)
{
int i;
for (i = 0; i < arg->len; i++)
if (arg->string[i] == '\'')
vary4nappend(dst, "'\"'\"'", 5);
else
vary4nappend(dst, arg->string + i, 1);
}
static void
vary4vargquote(vary4 * dst, vary2 * arg)
{
vary4nappend(dst, " '", 2);
vary4vescape(dst, arg);
vary4nappend(dst, "'", 1);
}
int
main(int argsc, arguments * args)
{
vary4 cmd;
int i;
char textbuf[20];
char * lang;
/* find length of library name. */
for (i = 0; i < 10 && args->pgm[i] && args->pgm[i] != '/'; i++)
;
/* Store program name in command buffer. */
cmd.len = 0;
vary4append(&cmd, "/QSYS.LIB/");
vary4nappend(&cmd, args->pgm, i);
vary4append(&cmd, ".LIB/XMLLINT.PGM");
/* Map command arguments to standard xmllint argument vector. */
if (args->dtd && args->dtd->len) {
if (args->dtdvalid && args->dtdvalid[4] == 'F')
vary4arg(&cmd, "--dtdvalidfpi");
else
vary4arg(&cmd, "--dtdvalid");
vary4vargquote(&cmd, args->dtd);
}
if (args->schema && args->schema->len) {
vary4varg(&cmd, args->schemakind);
vary4vargquote(&cmd, args->schema);
}
if (args->outstmf && args->outstmf->len) {
vary4arg(&cmd, "--output");
vary4vargquote(&cmd, args->outstmf);
if (args->encoding && args->encoding->len) {
vary4arg(&cmd, "--encoding");
vary4vargquote(&cmd, args->encoding);
}
}
if (args->xpath && args->xpath->len) {
vary4arg(&cmd, "--xpath");
vary4vargquote(&cmd, args->xpath);
}
if (args->pattern && args->pattern->len) {
vary4arg(&cmd, "--pattern");
vary4vargquote(&cmd, args->pattern);
}
if (args->path && args->path->len) {
vary4arg(&cmd, "--path '");
vary4vescape(&cmd, &args->path->item[0].param);
for (i = 1; i < args->path->len; i++) {
vary4nappend(&cmd, ":", 1);
vary4vescape(&cmd, &args->path->item[i].param);
}
vary4nappend(&cmd, "'", 1);
}
if (args->pretty && args->pretty->len &&
args->pretty->string[0] != '0') {
vary4arg(&cmd, "--pretty");
vary4varg(&cmd, args->pretty);
}
if (args->maxmem && *args->maxmem) {
snprintf(textbuf, sizeof textbuf, "%lu", *args->maxmem);
vary4arg(&cmd, "--maxmem");
vary4arg(&cmd, textbuf);
}
for (i = 0; i < args->options->len; i++)
vary4varg(&cmd, &args->options->item[i].param);
vary4vargquote(&cmd, args->stmf);
/* Execute the shell command. */
qshell(&cmd);
/* Terminate. */
exit(0);
}
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