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Overview
Comment:On the /jtext page, terminate the JSON array early if there are insufficient lines of text in the file to complete the request.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 6f5dfd9d800e692f8d23afffd6cb1ecf07b22694160db13df6853b1eee155683
User & Date: drh 2021-09-07 19:15:13.008
Context
2021-09-07
21:12
json API: removed reference to recently-removed DIFF_CONTEXT_MASK. ... (check-in: 0c496d8ad3 user: stephan tags: trunk)
19:15
On the /jtext page, terminate the JSON array early if there are insufficient lines of text in the file to complete the request. ... (check-in: 6f5dfd9d80 user: drh tags: trunk)
19:09
Add the /jtext webpage, intended for use by XHR. ... (check-in: 5f7fcbabf0 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/info.c.
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*/
void jtext_page(void){
  int rid = 0;
  const char *zName = PD("name", "");
  int iFrom = atoi(PD("from","0"));
  int iTo = atoi(PD("to","0"));
  int ln;

  const char *zSep;
  Blob content;
  Blob line;
  Blob *pOut;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }








>








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*/
void jtext_page(void){
  int rid = 0;
  const char *zName = PD("name", "");
  int iFrom = atoi(PD("from","0"));
  int iTo = atoi(PD("to","0"));
  int ln;
  int go = 1;
  const char *zSep;
  Blob content;
  Blob line;
  Blob *pOut;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
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    @ Invalid line range
    return;
  }
  content_get(rid, &content);
  g.isConst = 1;
  cgi_set_content_type("text/json");
  ln = 0;
  zSep = "[\n";
  while( ln<iFrom ){
    blob_line(&content, &line);
    ln++;
  }
  pOut = cgi_output_blob();


  while( ln<=iTo ){
    blob_append(pOut, zSep, 2);
    blob_trim(&line);
    blob_append_json_literal(pOut, blob_buffer(&line), blob_size(&line));
    zSep = ",\n";
    blob_line(&content, &line);
    ln++;
  }
  blob_appendf(pOut,"]\n");
  blob_reset(&content);
}

/*








<
|
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>
>
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|








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    @ Invalid line range
    return;
  }
  content_get(rid, &content);
  g.isConst = 1;
  cgi_set_content_type("text/json");
  ln = 0;

  while( go && ln<iFrom ){
    go = blob_line(&content, &line);
    ln++;
  }
  pOut = cgi_output_blob();
  blob_append(pOut, "[\n", 2);
  zSep = 0;
  while( go && ln<=iTo ){
    if( zSep ) blob_append(pOut, zSep, 2);
    blob_trim(&line);
    blob_append_json_literal(pOut, blob_buffer(&line), blob_size(&line));
    zSep = ",\n";
    go = blob_line(&content, &line);
    ln++;
  }
  blob_appendf(pOut,"]\n");
  blob_reset(&content);
}

/*
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