+def revert_fragileframe(document):
+ " Reverts beamer FragileFrame layout to ERT "
+
+ beamer_classes = ["beamer", "article-beamer", "scrarticle-beamer"]
+ if document.textclass not in beamer_classes:
+ return
+
+ i = 0
+ while True:
+ i = find_token(document.body, "\\begin_layout FragileFrame", i)
+ if i == -1:
+ return
+ # Find end of sequence
+ j = find_end_of_sequence(document.body, i)
+ if j == -1:
+ document.warning("Malformed lyx document. Cannot find end of FragileFrame sequence!")
+ i = i + 1
+ continue
+ endseq = j
+ subst = ["\\begin_layout Standard"] + put_cmd_in_ert("\\begin{frame}")
+ esubst = ["\\end_layout", "", "\\begin_layout Standard"] + put_cmd_in_ert("\\end{frame}")
+ endseq = endseq + len(esubst) - len(document.body[j : j])
+ if document.body[j] == "\\end_deeper":
+ document.body[j : j] = ["\\end_deeper", ""] + esubst
+ else:
+ document.body[j : j] = esubst
+ for q in range(i, j):
+ if document.body[q] == "\\begin_layout FragileFrame":
+ document.body[q] = "\\begin_layout %s" % document.default_layout
+ r = i
+ while r < j:
+ if document.body[r] == "\\begin_deeper":
+ s = find_end_of(document.body, r, "\\begin_deeper", "\\end_deeper")
+ if s != -1:
+ document.body[r] = ""
+ document.body[s] = ""
+ r = s
+ continue
+ r = r + 1
+ for p in range(1, 5):
+ arg = find_token(document.body, "\\begin_inset Argument %d" % p, i, j)
+ if arg != -1:
+ if p == 1:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ j = j - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("<") + content + put_cmd_in_ert(">")
+ elif p == 2:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ j = j - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("[<") + content + put_cmd_in_ert(">]")
+ elif p == 3:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ j = j - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("[fragile,") + content + put_cmd_in_ert("]")
+ elif p == 4:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ j = j - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("{") + content + put_cmd_in_ert("}")
+ elif p == 3:
+ subst += put_cmd_in_ert("[fragile]")
+
+ document.body[i : i + 1] = subst
+ i = j
+
+
+def revert_newframes(document):
+ " Reverts beamer Frame and PlainFrame layouts to old forms "
+
+ beamer_classes = ["beamer", "article-beamer", "scrarticle-beamer"]
+ if document.textclass not in beamer_classes:
+ return
+
+ frame_dict = {
+ "Frame" : "BeginFrame",
+ "PlainFrame" : "BeginPlainFrame",
+ }
+
+ rx = re.compile(r'^\\begin_layout (\S+)$')
+ i = 0
+ while True:
+ i = find_token(document.body, "\\begin_layout", i)
+ if i == -1:
+ return
+
+ m = rx.match(document.body[i])
+ val = ""
+ if m:
+ val = m.group(1)
+ if val not in frame_dict.keys():
+ i = i + 1
+ continue
+ # Find end of sequence
+ j = find_end_of_sequence(document.body, i)
+ if j == -1:
+ document.warning("Malformed lyx document. Cannot find end of Frame sequence!")
+ i = i + 1
+ continue
+ endseq = j
+ subst = ["\\begin_layout %s" % frame_dict[val]]
+ esubst = ["\\end_layout", "", "\\begin_layout EndFrame", "", "\\end_layout"]
+ endseq = endseq + len(esubst) - len(document.body[j : j])
+ if document.body[j] == "\\end_deeper":
+ document.body[j : j] = ["\\end_deeper", ""] + esubst
+ else:
+ document.body[j : j] = esubst
+ for q in range(i, j):
+ if document.body[q] == "\\begin_layout %s" % val:
+ document.body[q] = "\\begin_layout %s" % document.default_layout
+ r = i
+ while r < j:
+ if document.body[r] == "\\begin_deeper":
+ s = find_end_of(document.body, r, "\\begin_deeper", "\\end_deeper")
+ if s != -1:
+ document.body[r] = ""
+ document.body[s] = ""
+ r = s
+ continue
+ r = r + 1
+ l = find_end_of_layout(document.body, i)
+ for p in range(1, 5):
+ arg = find_token(document.body, "\\begin_inset Argument %d" % p, i, l)
+ if arg != -1:
+ if p == 1:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ l = l - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("<") + content + put_cmd_in_ert(">")
+ elif p == 2:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ l = l - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("[<") + content + put_cmd_in_ert(">]")
+ elif p == 3:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ l = l - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += put_cmd_in_ert("[") + content + put_cmd_in_ert("]")
+ elif p == 4:
+ beginPlain = find_token(document.body, "\\begin_layout Plain Layout", arg)
+ endPlain = find_end_of_layout(document.body, beginPlain)
+ endInset = find_end_of_inset(document.body, arg)
+ content = document.body[beginPlain + 1 : endPlain]
+ # Adjust range end
+ l = l - len(document.body[arg : endInset + 1])
+ # Remove arg inset
+ del document.body[arg : endInset + 1]
+ subst += content
+
+ document.body[i : i + 1] = subst
+ i = j
+
+