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ductape

Static template generator for C
git clone git://soophie.de/ductape

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branch:main tag:v1.0.0

• src/ctl.h [new file] [old file]

  4#include <stdio.h>
  5#include <stdlib.h>
  6
  7typedef struct ctl_t ctl_t;
  8
  9struct ctl_t {
  10  void *out;
  11};
  12
  13typedef int (*ctl_render_fn_t)(ctl_t *, void *, const char *);
  7typedef int (*ctl_render_fn_t)(void *, void *, const char *);
  8
  9typedef struct {
  10  ctl_render_fn_t fn;
  

  17    $params \
  18  } $name##_t; \
  19  \
  26  typedef void (*$name##_fn_t)(ctl_t *, $name##_t *); \
  20  typedef void (*$name##_fn_t)(void *, $name##_t *); \
  21  \
  28  int $name##_render(ctl_t *ctl, void *ctx, const char *dl_path) { \
  22  int $name##_render(void *out, void *ctx, const char *dl_path) { \
  23    void *handle = dlopen(dl_path, RTLD_NOW); \
  24    if (!handle) { \
  25      fprintf(stderr, "%s\n", dlerror()); \
  

  32      dlclose(handle); \
  33      return 1; \
  34    } \
  41    fn(ctl, ($name##_t *) ctx); \
  35    fn(out, ($name##_t *) ctx); \
  36    dlclose(handle); \
  37    return 0; \
  38  }
  

  40#define __TEMPLDEF_HEADER($name, $params) \
  41  __TEMPLDEF_MACRO($name, $params) \
  42  \
  49  void ctl_##$name(ctl_t *ctl, $name##_t *ctx);
  43  void ctl_##$name(void *out, $name##_t *ctx);
  44
  45#define TEMPLDEF($name, $params) \
  46  __TEMPLDEF_MACRO($name, $params) \
  47  \
  54  void ctl_##$name(ctl_t *ctl, $name##_t *ctx) {
  48  void ctl_##$name(void *out, $name##_t *ctx) {
  49
  50#define ENDTEMPL }
  51
  

  58
  59#define INCLUDE($name) ctx->$name.fn(ctl, ctx->$name.data, ctx->$name.dl_path);
  60
  67ctl_t *ctl_init(void *out);
  68void ctl_cleanup(ctl_t *self);
  69
  70#ifdef SO_CTL_IMPL
  71
  72ctl_t *ctl_init(void *out) {
  73  ctl_t *self = (ctl_t *) malloc(sizeof(ctl_t));
  74  *self = (ctl_t) {
  75    .out = out,
  76  };
  77  return self;
  78}
  79
  80void ctl_cleanup(ctl_t *self) {
  81  if (!self) return;
  82  free(self);
  83}
  84
  85#endif // SO_CTL_IMPL
  61#endif // _SO_CTL_H