eeshow/kicad/pro.c: KiCad profile processing (to find file names)

eeshow/Makefile

@@ -16,7 +16,7 @@ NAME = eeshow
 OBJS = main.o version.o \
        kicad/sch-parse.o kicad/sch-render.o kicad/lib-parse.o \
        kicad/lib-render.o kicad/dwg.o kicad/delta.o kicad/sexpr.o \
-       kicad/pl-parse.o kicad/pl-render.o kicad/ext.o \
+       kicad/pl-parse.o kicad/pl-render.o kicad/ext.o kicad/pro.o \
        gui/gui.o gui/over.o gui/style.o gui/aoi.o gui/fmt-pango.o gui/input.o \
        gui/progress.o gui/glabel.o gui/sheet.o gui/history.o gui/render.o \
        gui/help.o gui/icons.o \

eeshow/kicad/pro.c

@@ -0,0 +1,110 @@
+/*
+ * kicad/pro.c - KiCad profile
+ *
+ * Written 2016 by Werner Almesberger
+ * Copyright 2016 by Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+#include "misc/util.h"
+#include "file/file.h"
+#include "kicad/ext.h"
+#include "kicad/pro.h"
+
+
+struct pro_ctx {
+	enum pro_state {
+		pro_idle,
+		pro_libs,	// [eeschema/libraries]
+		pro_editor,	// [schematic_editor]
+	} state;
+	struct file_names *fn;
+};
+
+
+static bool pro_parse_line(const struct file *file,
+    void *user, const char *line)
+{
+	struct pro_ctx *pro = user;
+	char *s;
+
+	if (strbegins(line, "[eeschema/libraries]")) {
+		pro->state = pro_libs;
+		return 1;
+	}
+	if (strbegins(line, "[schematic_editor]")) {
+		pro->state = pro_editor;
+		return 1;
+	}
+	if (*line == '[') {
+		pro->state = pro_idle;
+		return 1;
+	}
+
+	switch (pro->state) {
+	case pro_idle:
+		break;
+	case pro_libs:
+		if (sscanf(line, "LibName%*u=%ms", &s) == 1) {
+			char *dot;
+
+			pro->fn->n_libs++;
+			pro->fn->libs = realloc_type_n(pro->fn->libs,
+			    const char *, pro->fn->n_libs);
+			dot = strrchr(s, '.');
+			if (!dot || strcmp(dot, ".lib")) {
+				s = realloc_size(s, strlen(s) + 5);
+				strcat(s, ".lib");
+			}
+			pro->fn->libs[pro->fn->n_libs - 1] = s;
+			return 1;
+		}
+		break;
+	case pro_editor:
+		if (sscanf(line, "PageLayoutDescrFile=%ms", &s) == 1) {
+			free((void *) pro->fn->pl);
+			pro->fn->pl = s;
+			return 1;
+		}
+		break;
+	default:
+		abort();
+	}
+	return 1;
+}
+
+
+struct file_names *pro_parse_file(struct file *file,
+    const struct file_names *fn_default)
+{
+	struct pro_ctx pro = {
+		.state	= pro_idle,
+		.fn	= clone_file_names(fn_default),
+	};
+
+	if (!file_read(file, pro_parse_line, &pro)) {
+		free_file_names(pro.fn);
+		free(pro.fn);
+		return NULL;
+	}
+
+	if (!pro.fn->sch) {
+		char *s, *dot;
+
+		assert(pro.fn->pro);
+		s = stralloc(pro.fn->pro);
+		dot = strchr(s, '.');
+		strcpy(dot, ".sch");
+		pro.fn->sch = s;
+	}
+	return pro.fn;
+}

eeshow/kicad/pro.h

@@ -0,0 +1,24 @@
+/*
+ * kicad/pro.h - KiCad profile
+ *
+ * Written 2016 by Werner Almesberger
+ * Copyright 2016 by Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#ifndef KICAD_PRO_H
+#define	KICAD_PRO_H
+
+#include "kicad/ext.h"
+#include "file/file.h"
+
+
+struct file_names *pro_parse_file(struct file *file,
+    const struct file_names *fn_default);
+
+#endif /* !KICAD_PRO_H */