genex/: added support for multi-part components

genex/comp.c

@@ -91,11 +91,13 @@ next:
 
 
 void set_libs(struct node *node,
-    const char *(*find_lib)(const char *sym, const char **canon))
+    const char *(*find_lib)(const char *sym, const char **canon,
+    int *units))
 {
 	while (node) {
 		if (!node->child) {
-			node->lib = find_lib(node->name, &node->canon);
+			node->lib =
+			    find_lib(node->name, &node->canon, &node->units);
 			if (!node->lib) {
 				fprintf(stderr, "symbol %s not found\n",
 				    node->name);

genex/comp.h

@@ -16,6 +16,7 @@ struct node {
 	const char *name;
 	const char *lib;	/* NULL if not intermediate node */
 	const char *canon;	/* canonical name of component */
+	int units;		/* number of units */
 	int indent;		/* level of indentation (characters) */
 	struct node *parent;
 	struct node *child;
@@ -28,7 +29,8 @@ extern struct node *tree;
 
 void read_tree(FILE *file);
 void set_libs(struct node *node,
-    const char *(*find_lib)(const char *sym, const char **canon));
+    const char *(*find_lib)(const char *sym, const char **canon,
+    int *units));
 void dump_tree(void);
 
 #endif /* !COMP_H */

genex/genex.c

@@ -16,6 +16,7 @@
 
 #include "comp.h"
 #include "libs.h"
+#include "pdf.h"
 
 
 static void usage(const char *name)

genex/libs.c

@@ -9,9 +9,10 @@
  * (at your option) any later version.
  */
 
-#define	_GNU_SOURCE
+#define	_GNU_SOURCE /* for strcasecmp */
 #include <stdlib.h>
 #include <stdio.h>
+#include <ctype.h>
 #include <string.h>
 #include <sys/types.h>
 #include <dirent.h>
@@ -22,6 +23,7 @@
 
 struct entry {
 	const char *name;
+	int units;
 	struct entry *next;
 };
 
@@ -32,7 +34,7 @@ static struct lib {
 } *libs = NULL;
 
 
-const char *lookup_sym(const char *name, const char **canon)
+const char *lookup_sym(const char *name, const char **canon, int *units)
 {
 	const struct lib *lib;
 	const struct entry *e;
@@ -42,12 +44,26 @@ const char *lookup_sym(const char *name, const char **canon)
 			if (!strcasecmp(e->name, name)) {
 				if (canon)
 					*canon = e->name;
+				if (units)
+					*units = e->units;
 				return lib->path;
 			}
 	return NULL;
 }
 
 
+static const char *field(const char *s, int n)
+{
+	while (n-- && *s) {
+		while (*s && !isspace(*s))
+			s++;
+		while (*s && isspace(*s))
+			s++;
+	}
+	return *s ? s : NULL;
+}
+
+
 void add_lib(const char *path)
 {
 	FILE *file;
@@ -55,7 +71,7 @@ void add_lib(const char *path)
 	struct entry *e;
 	char buf[1024]; /* @@@ */
 	char *spc;
-
+	const char *s;
 
 	file = fopen(path, "r");
 	if (!file) {
@@ -72,6 +88,12 @@ void add_lib(const char *path)
 	while (fgets(buf, sizeof(buf), file)) {
 		if (strncmp(buf, "DEF ", 4))
 			continue;
+		s = field(buf, 7);
+		if (!s) {
+			fprintf(stderr, "DEF record lacks units field in %s\n",
+			     path);
+			exit(1);
+		}
 		spc = strchr(buf+4, ' ');
 		if (!spc) {
 			fprintf(stderr, "invalid DEF line in %s\n", path);
@@ -80,6 +102,12 @@ void add_lib(const char *path)
 		*spc = 0;
 		e = alloc_type(struct entry);
 		e->name = stralloc(buf+4);
+		e->units = atoi(s);
+		if (!e->units) {
+			fprintf(stderr, "invalid number of units in %s\n",
+			    path);
+			exit(1);
+		}
 		e->next = lib->comps;
 		lib->comps = e;
 	}

genex/libs.h

@@ -12,7 +12,7 @@
 #ifndef LIBS_H
 #define LIBS_H
 
-const char *lookup_sym(const char *name, const char **canon);
+const char *lookup_sym(const char *name, const char **canon, int *units);
 void add_lib(const char *path);
 void add_libdir(const char *path);
 

genex/pdf.c

@@ -32,10 +32,11 @@ static int children(const struct node *node)
 static void convert_comp(const struct node *node, FILE *out)
 {
 	char *tmp;
-	int res;
+	int i, res;
 
-	if (asprintf(&tmp, "./sym2xps '%s' '%s' '%s' '%s'", 
-	    node->lib, node->canon, "tmp", "tmp.ps") < 0) {
+	for (i = 0; i != node->units; i++) {
+		if (asprintf(&tmp, "./sym2xps '%s' '%s' %d '%s' '%s'", 
+		    node->lib, node->canon, i+1, "tmp", "tmp.ps") < 0) {
 			perror("asprintf");
 			exit(1);
 		}
@@ -51,6 +52,7 @@ static void convert_comp(const struct node *node, FILE *out)
 		fflush(out);
 		system("cat tmp.ps");
 	}
+}
 
 
 static void convert_tree(const struct node *node, FILE *out)

genex/sym2xps

@@ -14,15 +14,16 @@
 
 usage()
 {
-	echo "usage: $0 library symbol tmpdir outfile" 1>&2
+	echo "usage: $0 library symbol unit tmpdir outfile" 1>&2
 	exit 1
 }
 
 
 lib=$1
 sym=$2
-tmp=$3
-out=$4
+unit=$3
+tmp=$4
+out=$5
 
 [ "$lib" ] && [ "$sym" ] && [ "$tmp" ] && [ "$out" ] || usage
 
@@ -62,9 +63,9 @@ EELAYER 43  0
 EELAYER END
 \$Comp
 L X$sym ??
-U 1 1 00000000
+U $unit 1 00000000
 P $X $Y
-	1	$X	$Y
+	$unit	$X	$Y
 	1	0	0	-1
 \$EndComp
 \$EndSCHEMATC