#include <vector>
#include <list>
+#include <unordered_map>
+#include <cmath>
using namespace std;
#define UNUSED __attribute__((unused))
#define FORMAT_CHECK(x,y,z) __attribute__((format(x,y,z)))
+static inline bool is_zero(double z)
+{
+ return fabs(z) < 1e-6;
+}
+
+static inline bool is_equal(double x, double y)
+{
+ return is_zero(x-y);
+}
+
+void debug(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
+void warn(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
+void die(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
+
+// This one is called during execution of commands and propagated as an exception
+void err(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
+
#include "pdf-tools.h"
/*** Representation of commands ***/
struct arg_def {
const char *name;
uint type;
+ const char *help;
};
class arg_val {
virtual string dump() { return "<undef>"; }
};
+extern arg_val null_arg;
+
struct out_context {
+ QPDF *pdf;
QPDFObjectHandle resources;
QPDFObjectHandle xobjects;
+ QPDFObjectHandle egstates;
string contents;
int res_cnt;
string new_resource(const string type);
};
struct page {
- int index;
+ int index; // Position in the source PDF, 0 for synthesized pages
double width; // Physical dimensions of media
double height;
- BBox bbox; // Bounds useful contents
+ BBox image_box; // Bounds useful contents
virtual void render(out_context *out UNUSED, pdf_matrix xform UNUSED) { abort(); }
- page(double _w=0, double _h=0) : width(_w), height(_h) { }
- page(page *p) {
- index = p->index;
- width = p->width;
- height = p->height;
- bbox = p->bbox;
- }
+ virtual void debug_dump() = 0;
+ page(double _w=0, double _h=0) : index(0), width(_w), height(_h), image_box() { }
+ page(page *p)
+ {
+ index = p->index;
+ width = p->width;
+ height = p->height;
+ image_box = p->image_box;
+ }
};
struct empty_page : public page {
void render(out_context *out UNUSED, pdf_matrix xform UNUSED) { }
+ void debug_dump() { debug("Empty page"); }
empty_page(double _w=0, double _h=0) : page(_w, _h) { };
};
const arg_def *arg_defs;
bool has_pipeline;
cmd_exec *(*constructor)(cmd *cmd);
+ const char *help;
};
struct cmd {
const cmd_def *def;
- vector<arg_val *> args;
+ unordered_map<string, arg_val *> args;
pipeline *pipe;
cmd_exec *exec;
+ arg_val *arg(const string name)
+ {
+ auto it = args.find(name);
+ if (it != args.end())
+ return it->second;
+ else
+ return &null_arg;
+ }
};
struct pipeline_selector {
extern const char *in_name, *out_name;
extern bool recalc_bbox;
-extern int debug_mode;
+extern int debug_level;
extern int debug_indent;
-void debug(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
-void warn(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
-void die(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
+class paperjam_error : public exception {
+ string message;
+public:
+ paperjam_error(string m) : message(m) { }
+ const char *what() const noexcept override { return message.c_str(); }
+};
// parse.cc