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138 lines
2.8 KiB
138 lines
2.8 KiB
//
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// Created by MightyPork on 2017/12/01.
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//
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#include "platform.h"
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#include "framework/system_settings.h"
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#include "ini_writer.h"
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#include "malloc_safe.h"
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#ifndef MIN
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#define MIN(a,b) ((a)>(b)?(b):(a))
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#endif
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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//#define IWBUFFER_LEN 128 // moved to plat_compat.h
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char *iwbuffer = NULL;
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/** Allocate the helper buffer */
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void iw_begin(void)
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{
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assert_param(iwbuffer == NULL);
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bool suc = true;
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iwbuffer = malloc_ck(IWBUFFER_LEN, &suc);
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assert_param(suc);
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}
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/** Release the helper buffer */
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void iw_end(void)
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{
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assert_param(iwbuffer != NULL);
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free(iwbuffer);
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iwbuffer = NULL;
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}
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#define IW_VPRINTF() do { \
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assert_param(iwbuffer != NULL); \
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va_list args; \
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va_start(args, format); \
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uint32_t len = (int)fixup_vsnprintf(&iwbuffer[0], IWBUFFER_LEN, format, args); \
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iw_buff(iw, (uint8_t *) iwbuffer, len); \
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va_end(args); \
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} while(0)
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void iw_buff(IniWriter *iw, const uint8_t *buf, uint32_t len)
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{
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if (iw->count == 0) return;
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uint32_t skip = 0;
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if (iw->skip >= len) {
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// Skip entire string
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iw->skip -= len;
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return;
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} else {
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// skip part
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skip = iw->skip;
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iw->skip = 0;
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uint32_t count = MIN(iw->count, len-skip);
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memcpy(iw->ptr, buf+skip, count);
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iw->ptr += count;
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iw->count -= count;
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}
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}
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void iw_sprintf(IniWriter *iw, const char *format, ...)
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{
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if (iw->count == 0) return;
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IW_VPRINTF();
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}
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// High level stuff
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void iw_section(IniWriter *iw, const char *format, ...)
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{
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if (iw->count == 0) return;
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iw_string(iw, "\r\n["); // newline before section as a separator
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IW_VPRINTF();
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iw_string(iw, "]\r\n");
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}
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void iw_commentf(IniWriter *iw, const char *format, ...)
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{
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if (iw->count == 0) return;
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if (!SystemSettings.ini_comments) return;
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iw_string(iw, "# ");
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IW_VPRINTF();
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iw_newline(iw);
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}
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void iw_comment(IniWriter *iw, const char *text)
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{
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if (iw->count == 0) return;
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if (!SystemSettings.ini_comments) return;
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iw_string(iw, "# ");
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iw_string(iw, text);
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iw_newline(iw);
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}
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void iw_hdr_comment(IniWriter *iw, const char *format, ...)
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{
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if (iw->count == 0) return;
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iw_string(iw, "## ");
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IW_VPRINTF();
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iw_newline(iw);
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}
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void iw_entry(IniWriter *iw, const char *key, const char *format, ...)
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{
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if (iw->count == 0) return;
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iw_string(iw, key);
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iw_string(iw, "=");
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IW_VPRINTF();
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iw_newline(iw); // one newline after entry
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}
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uint32_t iw_measure_total(void (*handler)(IniWriter *))
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{
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IniWriter iw = iw_init(NULL, 0xFFFFFFFF, 1);
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iw_begin();
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handler(&iw);
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iw_end();
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return 0xFFFFFFFF - iw.skip;
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}
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void iw_cmt_newline(IniWriter *iw)
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{
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if (SystemSettings.ini_comments) iw_newline(iw);
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}
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