--- /dev/null
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *chuck_faust_template[] = {
+#include "chuck_faust.template.h"
+NULL
+};
+
+char *ctrl_cget_query[] = {
+ "\n func = make_new_mfun( \"float\", \"%var_label%\",",
+ " %dsp_name%_ctrl_%var_name% );",
+ " func->add_arg( \"float\", \"%var_label%\" );",
+ " if (!type_engine_import_mfun( env, func ))",
+ " goto error;",
+NULL
+};
+
+char *ctrl_cget_funcs[] = {
+ "static void %dsp_name%_ctrl_%var_name%( Chuck_Object * SELF, void * ARGS,",
+ " Chuck_DL_Return * RETURN,",
+ " Chuck_VM_Shred * SHRED)",
+ "{",
+ " %dsp_name% *d = (%dsp_name%*)OBJ_MEMBER_UINT(SELF, %dsp_name%_offset_data);",
+ " d->%var_name% = (SAMPLE)GET_CK_FLOAT(ARGS);",
+ " RETURN->v_float = (t_CKFLOAT)(d->%var_name%);",
+ "}\n",
+NULL
+};
+
+
+typedef struct _variable_t
+{
+ char name[256];
+ char label[256];
+ struct _variable_t *next;
+} variable_t;
+
+variable_t variables;
+variable_t *current_v = &variables;
+FILE *out = 0;
+char dspname[256] = "mydsp";
+int in_widget = 0;
+char outfilename[2048];
+
+void strip(char *to, char *from, int quotes, int replace_spaces)
+{
+ int i=0, j=0;
+ while (from[i] && (from[i]==' ' || from[i]=='\t'
+ || (from[i]=='"' && quotes)))
+ i++;
+ while (from[i]) {
+ if (replace_spaces && from[i]==' ')
+ to[j++] = '_';
+ else
+ to[j++] = from[i];
+ i++;
+ }
+ j--;
+ while (j>0 && (to[j]==' ' || to[j]=='\t'
+ || (to[j]=='"' && quotes)
+ || (to[j]=='_' && replace_spaces) ))
+ to[j--] = 0;
+}
+
+void on_beg_tag(char *name)
+{
+ /* TODO: here would be a good place for parsing attributes if we
+ * were interested in doing so. */
+
+ if (strncmp(name, "widget", 6)==0) {
+ if (name[6]!=0 && name[6]!=' ')
+ return;
+ current_v->next = malloc(sizeof(variable_t));
+ current_v = current_v->next;
+ current_v->next = 0;
+ in_widget = 1;
+ }
+}
+
+void on_end_tag(char *name, char *value)
+{
+ if (strcmp(name, "widget")==0) {
+ in_widget = 0;
+ }
+
+ else if (strcmp(name, "varname")==0 && in_widget) {
+ strip(current_v->name, value, 1, 1);
+ }
+
+ else if (strcmp(name, "label")==0 && in_widget) {
+ strip(current_v->label, value, 1, 1);
+ }
+
+ else if (strcmp(name, "name")==0) {
+ strip(dspname, value, 1, 1);
+ }
+}
+
+/*
+ * See the technical section of README for an explanation of this insanity.
+ */
+
+int parseXml(FILE* f)
+{
+ typedef enum
+ {
+ in_open_tag,
+ in_close_tag,
+ in_text,
+ } state_t;
+
+ typedef struct
+ {
+ int pos;
+ char buf[2048];
+ int no_text;
+ } stack_frame;
+
+ int line = 1;
+
+ state_t state = in_text;
+
+ char c = 0, last_c = 0;
+ stack_frame stack[50];
+
+ int level=0;
+
+ while (!feof(f))
+ {
+ last_c = c;
+ c = fgetc(f);
+
+ if (c=='\r' || c=='\n') {
+ if (last_c!='\r' && last_c!='\n')
+ line++;
+ continue;
+ }
+
+ switch (state)
+ {
+ case in_open_tag:
+ if (c == '>') {
+ on_beg_tag(stack[level].buf);
+ state = in_text;
+ if (stack[level].no_text) {
+ level --;
+ continue;
+ }
+ level ++;
+ stack[level].pos = 0;
+ stack[level].buf[0] = 0;
+ continue;
+ }
+ if (c == '/' && last_c == '<') {
+ state = in_close_tag;
+ continue;
+ }
+ if (c == '/') {
+ stack[level].no_text = 1; // empty tag
+ continue;
+ }
+ stack[level].buf[stack[level].pos++] = c;
+ stack[level].buf[stack[level].pos] = 0;
+ break;
+ case in_close_tag:
+ if (c == '>') {
+ state = in_text;
+ if (strncmp(stack[level].buf, stack[level-2].buf,
+ strlen(stack[level].buf))!=0) {
+ printf("Error with '%s', line %d\n",
+ stack[level].buf, line);
+ return -1;
+ }
+ level -= 3;
+ on_end_tag(stack[level+3].buf, stack[level+2].buf);
+ continue;
+ }
+ stack[level].buf[stack[level].pos++] = c;
+ stack[level].buf[stack[level].pos] = 0;
+ break;
+ case in_text:
+ if (c == '<') {
+ state = in_open_tag;
+ level ++;
+ stack[level].pos = 0;
+ stack[level].buf[0] = 0;
+ stack[level].no_text = 0;
+ continue;
+ }
+ stack[level].buf[stack[level].pos++] = c;
+ stack[level].buf[stack[level].pos] = 0;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+void do_template(char *template[]);
+
+int on_replace(char *var)
+{
+ if (strcmp(var, "dsp_name")==0) {
+ fprintf(out, dspname);
+ }
+ else if (strcmp(var, "var_name")==0) {
+ fprintf(out, current_v->name);
+ }
+ else if (strcmp(var, "var_label")==0) {
+ fprintf(out, current_v->label);
+ }
+ else if (strcmp(var, "ctrl_cget_functions")==0) {
+ variable_t *v = variables.next;
+ while (v) {
+ current_v = v;
+ do_template(ctrl_cget_funcs);
+ v = v->next;
+ }
+ }
+ else if (strcmp(var, "ctrl_cget_query")==0) {
+ variable_t *v = variables.next;
+ while (v) {
+ current_v = v;
+ do_template(ctrl_cget_query);
+ v = v->next;
+ }
+ }
+ else
+ return 1;
+ return 0;
+}
+
+void do_template(char *template[])
+{
+ int line, pos, k, i;
+ char str[256];
+ line = 0;
+ while (template[line])
+ {
+ int len = strlen(template[line]);
+ for (pos=0; pos < len; pos++) {
+ char c = template[line][pos];
+ if (c == '%') {
+ k = 0;
+ i = pos;
+ pos++;
+ while (template[line][pos] && template[line][pos]!='%')
+ str[k++] = template[line][pos++];
+ str[k] = 0;
+ if (on_replace(str)) {
+ fprintf(out,"%%");
+ pos = i;
+ }
+ }
+ else
+ fprintf(out,"%c", template[line][pos]);
+ }
+ fprintf(out,"\n");
+ line++;
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ int i, rc=0;
+ FILE *fxml = 0;
+ out = stdout;
+
+ if (argc != 2) {
+ printf("Usage: faust2ck <filename.dsp.xml>\n");
+ rc = 1;
+ goto error;
+ }
+
+ fxml = fopen(argv[1], "r");
+ if (!fxml) {
+ printf("Error: Could not open %s.\n", argv[1]);
+ rc = 2;
+ goto error;
+ }
+
+ if (parseXml(fxml)) {
+ printf("Error parsing XML in %s\n", argv[1]);
+ rc = 3;
+ goto error;
+ }
+
+ fclose(fxml);
+ fxml = 0;
+
+ // determine output file name
+ strcpy(outfilename, argv[1]);
+ i=strlen(outfilename)-1;
+ while (i>0 && outfilename[i]!='.')
+ i--;
+ if (i==0) i=strlen(outfilename);
+ strcpy(&outfilename[i], "-wrapper.cpp");
+
+ out = fopen(outfilename, "w");
+ if (!out) {
+ printf("Could not open output file %s\n", outfilename);
+ rc = 4;
+ goto error;
+ }
+
+ do_template(chuck_faust_template);
+
+ error:
+
+ if (fxml)
+ fclose(fxml);
+
+ if (out && out!=stdout)
+ fclose(out);
+
+ variable_t *v = variables.next;
+ while (v) {
+ variable_t *t = v->next;
+ free(v);
+ v = t;
+ }
+
+ return rc;
+}
projects / Faustine.git / blobdiff