1 files changed, 58 insertions, 0 deletions
diff --git a/chunkedit.h b/chunkedit.h
new file mode 100644
index 0000000..7d7f4cf
--- /dev/null
+++ b/chunkedit.h
@@ -0,0 +1,58 @@
+#ifndef REPREPRO_CHUNKEDIT_H
+#define REPREPRO_CHUNKEDIT_H
+
+#ifndef REPREPRO_ERROR_H
+#include "error.h"
+#warning "What's hapening here?"
+#endif
+#ifndef REPREPRO_STRLIST_H
+#include "strlist.h"
+#endif
+
+
+/* modifications of a chunk: */
+struct chunkeditfield {
+	/*@null@*/struct chunkeditfield *next;
+	/* The name of the field: */
+	const char *field; size_t len_field;
+	enum cefaction { CEF_DELETE,   /* delete if there */
+		       	CEF_ADDMISSED, /* add if not there */
+		       	CEF_REPLACE,   /* replace if there */
+		       	CEF_ADD,       /* add if not there or replace if there */
+			CEF_KEEP       /* keep it */
+	} action;
+	enum cefwhen { CEF_EARLY, CEF_LATE } when;
+	/* the following must be 0 or NULL for CEF_DELETE */
+	size_t len_all_data;
+	/*@null@*/const char *data; size_t len_data;
+	const struct strlist *words;
+	int linecount;
+	struct cef_line {
+		int wordcount;
+		const char **words;
+		size_t *wordlen;
+	} lines[];
+};
+
+/* those return NULL on out of memory and free next in that case */
+/*@null@*/struct chunkeditfield *cef_newfield(const char *, enum cefaction, enum cefwhen, unsigned int /*linecount*/, /*@only@*//*@null@*/struct chunkeditfield *);
+
+void cef_setdata(struct chunkeditfield *, const char *);
+void cef_setdatalen(struct chunkeditfield *, const char *, size_t);
+/* calculate the length, do not change the strlist after that before free */
+void cef_setwordlist(struct chunkeditfield *, const struct strlist *);
+retvalue cef_setline(struct chunkeditfield *, int /*line*/, int /*wordcount*/, ...);
+retvalue cef_setline2(struct chunkeditfield *, int, const char *, size_t, const char *, size_t, int, ...);
+
+retvalue chunk_edit(const char *, char **, size_t *, const struct chunkeditfield *);
+
+void cef_free(/*@only@*//*@null@*/struct chunkeditfield *);
+
+static inline struct chunkeditfield *cef_pop(/*@only@*/struct chunkeditfield *cef) {
+	struct chunkeditfield *next = cef->next;
+	cef->next = NULL;
+	cef_free(cef);
+	return next;
+}
+
+#endif