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gds-render
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parser

This commit is contained in:
Mario Hüttel 2018-05-07 15:17:29 +02:00
parent a1196e11b8
commit bc28446ce4
3 changed files with 128 additions and 3 deletions
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123
gdsparse.c
View File

@ -16,18 +16,60 @@ enum record {
BGNSTR = 0x0502,
STRNAME = 0x0606,
ENDSTR = 0x0700,
BOUNDARY = 0x0800,
PATH = 0x0900,
SREF = 0x0A00,
ENDEL = 0x1100
};
static struct gds_library * append_library(struct gds_library *curr_arr, unsigned int curr_count)
{
unsigned int size = (curr_count +1) * sizeof(struct gds_library);
return (struct gds_library *)realloc(curr_arr, size);
struct gds_library *ptr = (struct gds_library *)realloc(curr_arr, size);
if (ptr) {
ptr[curr_count].cells_count = 0;
ptr[curr_count].name[0] = 0;
}
return ptr;
}
static struct gds_graphics * append_graphics(struct gds_graphics *curr_arr, unsigned int curr_count)
{
unsigned int size = (curr_count +1) * sizeof(struct gds_graphics);
struct gds_graphics *ptr = (struct gds_graphics *)realloc(curr_arr, size);
if (ptr != NULL) {
ptr[curr_count].vertices_count = 0;
ptr[curr_count].vertices = NULL;
}
return ptr;
}
static struct gds_cell * append_cell(struct gds_cell *curr_arr, unsigned int curr_count)
{
unsigned int size = (curr_count +1) * sizeof(struct gds_cell);
return (struct gds_cell *)realloc(curr_arr, size);
struct gds_cell *ptr = (struct gds_cell *)realloc(curr_arr, size);
if (ptr != NULL) {
ptr[curr_count].child_cells_count = 0;
ptr[curr_count].graphic_objs_count = 0;
ptr[curr_count].child_cells = NULL;
ptr[curr_count].graphic_objs = NULL;
ptr[curr_count].name[0] = 0;
}
return ptr;
}
static gds_cell_instance * append_cell_ref(struct gds_cell_instance* curr_arr, unsigned int curr_count)
{
unsigned int size = (curr_count + 1) * sizeof(struct gds_cell_instance);
struct gds_cell_instance *ptr = (struct gds_cell_instance *)realloc(curr_arr, size);
if (ptr) {
ptr[curr_count].cell_ref = NULL;
ptr[curr_count].ref_name[0] = 0;
}
return ptr;
}
static int name_library(struct gds_library *current_library, unsigned int bytes, char* data) {
@ -169,6 +211,16 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
GDS_ERROR("Closing Library with no opened library");
break;
}
/* Check for open Cells */
if (current_cell != NULL) {
run = -4;
GDS_ERROR("Closing Library with opened cells");
break;
}
current_lib->cells = cell_arr;
current_lib->cells_count = cell_arr_cnt;
current_lib = NULL;
printf("Leaving Library\n");
break;
@ -190,9 +242,70 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
GDS_ERROR("Closing cell with no opened cell");
break;
}
/* Check for open Elements */
if (current_graphics != NULL || current_s_reference != NULL) {
run = -4;
GDS_ERROR("Closing cell with opened Elements");
break;
}
current_cell = NULL;
printf("Leaving Cell\n");
break;
case BOUNDARY:
if (current_cell == NULL) {
GDS_ERROR("Boundary outside of cell");
run = -3;
break;
}
current_cell->graphic_objs = append_graphics(current_cell->graphic_objs, current_cell->graphic_objs_count);
current_cell->graphic_objs_count++;
if (current_cell->graphic_objs == NULL) {
GDS_ERROR("Memory allocation failed");
run = -4;
break;
}
current_graphics = &(current_cell->graphic_objs[current_cell->graphic_objs_count-1]);
current_graphics->type = GRAPHIC_POLYGON;
printf("\tEntering boundary\n");
break;
case SREF:
if (current_cell == NULL) {
GDS_ERROR("Path outside of cell");
run = -3;
break;
}
current_cell->child_cells = append_cell_ref(current_cell->child_cells, current_cell->child_cells_count);
if (current_cell->child_cells == NULL) {
GDS_ERROR("Memory allocation failed");
run = -4;
break;
}
break;
case PATH:
if (current_cell == NULL) {
GDS_ERROR("Path outside of cell");
run = -3;
break;
}
current_cell->graphic_objs = append_graphics(current_cell->graphic_objs, current_cell->graphic_objs_count);
current_cell->graphic_objs_count++;
if (current_cell->graphic_objs == NULL) {
GDS_ERROR("Memory allocation failed");
run = -4;
break;
}
current_graphics = &(current_cell->graphic_objs[current_cell->graphic_objs_count-1]);
current_graphics->type = GRAPHIC_PATH;
printf("\tEntering Path\n");
break;
case ENDEL:
if (current_graphics != NULL) {
printf("\tLeaving %s\n", (current_graphics->type == GRAPHIC_POLYGON ? "boundary" : "path"));
current_graphics = NULL;
}
break;
}
break;
@ -211,7 +324,7 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
switch (rec_type) {
case LIBNAME:
name_library(current_lib, read,workbuff);
name_library(current_lib, read, workbuff);
break;
case STRNAME:
name_cell(current_cell, read, workbuff);
@ -225,6 +338,10 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
fclose(gds_file);
/* Iterate and find references to cells */
*library_array = lib_arr;
*count = lib_arr_cnt;
return run;

2
gdsparse.h
View File

@ -24,6 +24,8 @@ struct gds_graphics {
enum graphics_type type;
struct gds_point *vertices;
int vertices_count;
unsigned int path_width;
int width_absolute;
uint16_t layer;
uint16_t datatype;
};

6
main.c
View File

@ -5,7 +5,13 @@ int main()
{
struct gds_library *libs;
unsigned int count = 0;
int i = 0;
parse_gds_from_file("/home/mari/Desktop/test.gds", &libs, &count);
printf("Lib count: %u\n", count);
for (i = 0; i < count; i++) {
printf("Lib %s: %d cells\n", libs[i].name, libs[i].cells_count);
}
return 0;
}