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-rw-r--r--include/apimagic/apimagic.h8
-rw-r--r--project/common.mk1
-rw-r--r--src/output/amgc_output_pad_symbol.c35
3 files changed, 44 insertions, 0 deletions
diff --git a/include/apimagic/apimagic.h b/include/apimagic/apimagic.h
index d7a61ac..ac78b57 100644
--- a/include/apimagic/apimagic.h
+++ b/include/apimagic/apimagic.h
@@ -116,6 +116,13 @@ struct amgc_unit_ctx {
int nerrors;
};
+struct amgc_layout {
+ const char * header;
+ const char * footer;
+ int symwidth;
+ int tabwidth;
+};
+
/* driver api */
amgc_api int amgc_get_driver_ctx (const char ** argv, const char ** envp, uint32_t flags, struct amgc_driver_ctx **);
amgc_api int amgc_create_driver_ctx (const struct amgc_common_ctx *, struct amgc_driver_ctx **);
@@ -131,6 +138,7 @@ amgc_api int amgc_unmap_input (struct amgc_input *);
amgc_api int amgc_lang_std_from_string (const char * std);
/* utility api */
+amgc_api int amgc_output_pad_symbol (const char *, const struct amgc_layout *, FILE *);
/* low-level api */
amgc_api int amgc_init_unit_meta (const struct amgc_unit_ctx *, struct amgc_unit_meta *);
diff --git a/project/common.mk b/project/common.mk
index d54a0f2..318de8b 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -6,6 +6,7 @@ COMMON_SRCS = \
src/logic/amgc_init_unit_meta.c \
src/logic/amgc_map_input.c \
src/logic/amgc_unit_entities.c \
+ src/output/amgc_output_pad_symbol.c \
src/skin/amgc_skin_default.c \
APP_SRCS = \
diff --git a/src/output/amgc_output_pad_symbol.c b/src/output/amgc_output_pad_symbol.c
new file mode 100644
index 0000000..ea10204
--- /dev/null
+++ b/src/output/amgc_output_pad_symbol.c
@@ -0,0 +1,35 @@
+/**********************************************************/
+/* apimagic: cparser-based API normalization utility */
+/* Copyright (C) 2015--2016 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.APIMAGIC. */
+/**********************************************************/
+
+#include <stdio.h>
+#include <string.h>
+
+#include <apimagic/apimagic.h>
+
+int amgc_output_pad_symbol(
+ const char * symbol,
+ const struct amgc_layout * layout,
+ FILE * fout)
+{
+ int len = (int)(strlen(symbol));
+
+ if (layout->symwidth < 1)
+ return -1;
+
+ if (layout->tabwidth == 0)
+ return fprintf(fout,"%*c",layout->symwidth-len,' ');
+
+ len &= (~(layout->tabwidth-1));
+
+ while (len < layout->symwidth) {
+ if (fputc('\t',fout) < 0)
+ return -1;
+ else
+ len += layout->tabwidth;
+ }
+
+ return 0;
+}